測試接口地址：https://beta.bolink.club/unionapi/notify/thirdpaycallback
字段：
| 字段名稱 | 說明 | 類型 |示例 | 是否必傳字段|
| --- | --- | --- | --- | --- |
trade_no |交易流水號,16-32位全數字| String| 201712201617482001596090 |是
money |訂單金額，保留兩位小數 |String |0.02| 是
state| 支付狀態0失敗，1成功| Number |1 |是
union_id| 廠商平臺賬戶| Number |200002| 是
rand| 隨機數32位以內整數或小數 |String| 0.8885944112837105 |是
> 示例 {"sign":"31D7A590D9F01FBFE9D2E7D2D24F9B86","trade_no":"201712201617482001596090","union_id":200002,"state":1,"money":"0.02","rand":"0.8885944112837105"}
返回：
| 字段名稱 | 說明 | 類型 |示例 | 是否必傳字段|
| --- | --- | --- | --- | --- |
trade_no |交易流水號,16-32位全數字 |String |201712201617482001596090| 是
state| 狀態|0失敗 1成功| Number| 是
errmsg |提示| String| 處理完成|是
> 示例
> {"trade_no":"201712201617482001596090","state":1,"errmsg":"處理完成"}
