curl --location --request GET 'http://47.104.225.241:6767/api/publishMsgMqtt?device_code=WGR2_4E550C&api_key=734af80ad44b8704a1c358cc6130c8d1&msg=1234&publish_topic=v3/sub/HA/WGR2/4E550C&sign=2aa44356382453a4702ff6dfd5ad0660'
{ "code": 0, "msg": "string" }