curl --request POST \
  --url http://dev-cn.your-api-server.com/user/query \
  --header 'Content-Type: application/json' \
  --data '
{
  "merchantId": "<string>",
  "merchantUserId": "<string>",
  "channel": "<string>"
}
'

{
  "success": false,
  "errorCode": "",
  "errorMessage": "",
  "errorMessageEn": "",
  "detailMessage": "",
  "requestId": "",
  "data": {
    "merchantId": "",
    "merchantUserId": "",
    "powerUserId": "",
    "channel": "",
    "customerName": "",
    "kycFullName": "",
    "firstName": "",
    "secondName": "",
    "lastName": "",
    "birth": "",
    "nationality": "",
    "region": "",
    "city": "",
    "street": "",
    "houseNumber": "",
    "postalCode": "",
    "email": "",
    "mobileNumber": "",
    "mobilePrefix": "",
    "createTime": 0,
    "updateTime": 0
  }
}