新建数据模型

{
    "code": 0,
    "message": "string",
    "context": [
        {
            "id": 0,
            "productName": "string",
            "authType": 0,
            "authRate": 0,
            "authRateList": [
                {
                    "sort": 0,
                    "minAmount": 0,
                    "maxAmount": 0,
                    "rate": 0
                }
            ]
        }
    ],
    "traceId": "string",
    "spanId": "string"
}