1. 开启上行回调接口

1. 开启上行回调接口

描述：

主动调用接口开启数智通道机上行数据回调功能。

请求说明：

Body参数：

返回参数：

请求示例：

{"appId":"ym3b7f242fc0814489","expires":"1739583239","deviceNo":"123456789-987654321","sign":"36f392b389e945b5c7ca8baa36fae53b","cmd":"channelOpenCallback","data":"{\"onlineStatus\":1}"}

返回示例：

{
  "code": 0,
  "msg": "操作成功",
  "appId": "ymc03e8b5544714290",
  "expires": "1767841794",
  "sign": "217386911ac83291070c69fc67dcb4e4",
  "deviceNo": "123456789-987654321",
  "cmd": "channelOpenCallback",
  "data": ""
}