{
  "orders": {
    "AppId": "外系统ID，分配得到",
    "TransactionId": "100000000020180409224736000001",
    "UserId": "用户ID",
    "OrderTypeCd": "订单类型,查询,受理",
    "RequestTime": "20180409224736",
    "Remark":"备注",
    "sign": "这个服务是否要求MD5签名",
    "Attrs": [{
      "SpecCd": "配置的字段ID",
      "Value": "具体值"
    }]
  },
  "business": [{
    "ServiceCode": "queryCustInfo",
    "ServiceName": "查询客户",
    "Remark": "备注",
    "datas": [{
      //这里是具体业务
    }],
    "Attrs": [{
      "SpecCd": "配置的字段ID",
      "Value": "具体值"
    }]
  }]
}