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changeCloudMongoDbShardCount

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Available in VPC

Change the number of shards for a Cloud DB for MongoDB instance.

Syntax

The changeCloudMongoDbShardCount syntax is as follows:

./ncloud vmongodb changeCloudMongoDbShardCount \
    --cloudMongoDbInstanceNo <instance-no> \
    --shardCount <shard-count> \
    [--regionCode <KR|SGN|JPN>] \
    [--output <json|xml>]

Options

This section describes the options available when running changeCloudMongoDbShardCount.

Required options

The following options are required for changeCloudMongoDbShardCount.

Options Type Required Description
--cloudMongoDbInstanceNo String Required Instance number of Cloud DB for MongoDB
--shardCount String Required Number of shards of the Cloud DB for MongoDB instance to change to
  • 3-5
  • Shards can only be added, not removed.

Common options

For information about the options common to all vmongodb subcommands, see Cloud DB for MongoDB (VPC) options.

Examples

If the request to change the number of shards is successful, the configuration information for the Cloud DB for MongoDB instance and the details for each server instance are returned.

Command

The command example is as follows:

./ncloud vmongodb changeCloudMongoDbShardCount \
    --cloudMongoDbInstanceNo 34567890 \
    --shardCount 3 \
    --regionCode KR \
    --output json

Output

The output example is as follows:

{
  "changeCloudMongoDbShardCountResponse": {
    "totalRows": 1,
    "cloudMongoDbInstanceList": [
      {
        "cloudMongoDbInstanceNo": "34567890",
        "cloudMongoDbServiceName": "mongodb-01",
        "cloudMongoDbInstanceStatusName": "running",
        "cloudMongoDbInstanceStatus": {
          "code": "CREAT",
          "codeName": "CLOUD DATABASE (VPC) Created status"
        },
        "cloudMongoDbInstanceOperation": {
          "code": "NULL",
          "codeName": "CLOUD DATABASE(VPC) Null OP"
        },
        "generationCode": "G2",
        "clusterType": {
          "code": "SHARDED_CLUSTER",
          "codeName": "Sharding Cluster Type - Cloud DB for MongoDB (VPC)"
        },
        "engineVersion": "MongoDB 7.0.28 Community Edition",
        "licence": {
          "code": "OEM",
          "codeName": "License code - CLOUD DATABASE (VPC)"
        },
        "backupFileRetentionPeriod": 1,
        "backupTime": "02:00",
        "backupParallel": 1,
        "cloudMongoDbImageProductCode": "SW.VMGDB.OS.LNX64.ROCKY.0810.MNGDB.CE.B050",
        "accessControlGroupNoList": [
          "67890123"
        ],
        "shardCount": 3,
        "compress": {
          "code": "SNPP",
          "codeName": "Snappy"
        },
        "memberPort": 17017,
        "mongosPort": 17017,
        "configPort": 17017,
        "createDate": "2026-06-10T10:03:36+0900",
        "cloudMongoDbServerInstanceList": [
          {
            "cloudMongoDbServerInstanceNo": "34567899",
            "cloudMongoDbServerName": "mg-mongodb-c-98ef",
            "clusterRole": {
              "code": "CONFIG_SERVER",
              "codeName": "Config Server Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "C",
              "codeName": "Config Server"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:22+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0009.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3425341440,
            "cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "csmongodb-01",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567900",
            "cloudMongoDbServerName": "mg-mongodb-c-98eg",
            "clusterRole": {
              "code": "CONFIG_SERVER",
              "codeName": "Config Server Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "C",
              "codeName": "Config Server"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:01+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0010.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3425206270,
            "cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "csmongodb-01",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567901",
            "cloudMongoDbServerName": "mg-mongodb-c-98eh",
            "clusterRole": {
              "code": "CONFIG_SERVER",
              "codeName": "Config Server Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "C",
              "codeName": "Config Server"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:01+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0011.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3425206270,
            "cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "csmongodb-01",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567905",
            "cloudMongoDbServerName": "mg-mongodb-c-98ey",
            "clusterRole": {
              "code": "CONFIG_SERVER",
              "codeName": "Config Server Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "C",
              "codeName": "Config Server"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T11:10:04+0900",
            "uptime": "2026-06-10T11:15:39+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0015.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3421806590,
            "cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "csmongodb-01",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567891",
            "cloudMongoDbServerName": "mg-mongodb-mb001-98e7",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:07+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0001.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3425910780,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01001",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567892",
            "cloudMongoDbServerName": "mg-mongodb-mb001-98e8",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:56+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0002.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3425382400,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01001",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567902",
            "cloudMongoDbServerName": "mg-mongodb-mb001-98ek",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:44:51+0900",
            "uptime": "2026-06-10T10:50:22+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0012.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3423395840,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01001",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567893",
            "cloudMongoDbServerName": "mg-mongodb-mb002-98e9",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:51+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0003.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3424268290,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567894",
            "cloudMongoDbServerName": "mg-mongodb-mb002-98ea",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:23+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0004.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3424571390,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567903",
            "cloudMongoDbServerName": "mg-mongodb-mb002-98el",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:44:51+0900",
            "uptime": "2026-06-10T10:50:03+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0013.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3422187520,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerName": "mg-mongodb-mb003-98f5",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "creating",
            "cloudMongoDbServerInstanceStatus": {
              "code": "PEND",
              "codeName": "CLOUD DATABASE (VPC) server Pending status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "CREAT",
              "codeName": "CLOUD DATABASE (VPC) server Create OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T11:25:54+0900",
            "uptime": "2026-06-10T11:15:39+0900",
            "zoneCode": "KR-1",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01003",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerName": "mg-mongodb-mb003-98f6",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "creating",
            "cloudMongoDbServerInstanceStatus": {
              "code": "PEND",
              "codeName": "CLOUD DATABASE (VPC) server Pending status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "CREAT",
              "codeName": "CLOUD DATABASE (VPC) server Create OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T11:25:54+0900",
            "uptime": "2026-06-10T11:15:39+0900",
            "zoneCode": "KR-1",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01003",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerName": "mg-mongodb-mb003-98f7",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "creating",
            "cloudMongoDbServerInstanceStatus": {
              "code": "PEND",
              "codeName": "CLOUD DATABASE (VPC) server Pending status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "CREAT",
              "codeName": "CLOUD DATABASE (VPC) server Create OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T11:25:54+0900",
            "uptime": "2026-06-10T11:15:39+0900",
            "zoneCode": "KR-1",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01003",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567897",
            "cloudMongoDbServerName": "mg-mongodb-rt-98ed",
            "clusterRole": {
              "code": "MONGOS",
              "codeName": "Mongos Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "RT",
              "codeName": "Mongos"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:33+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0007.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3106938880,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOS.HICPU.C002.M004.NET.SSD.B050.G002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567898",
            "cloudMongoDbServerName": "mg-mongodb-rt-98ee",
            "clusterRole": {
              "code": "MONGOS",
              "codeName": "Mongos Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "RT",
              "codeName": "Mongos"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:21+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0008.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3106037760,
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      }
    ],
    "requestId": "e6f7a8b9-c0d1-2345-fabc-345678901234",
    "returnCode": "0",
    "returnMessage": "success"
  }
}