Get Device Authorization Info

• Description

  POST /device_auth_info HTTP/1.1

• Possible Responses

  {
      "code":0,
      "message":"ok",
      "data":{
          "nowDate": 1517149407,
          "expireDate": 1517149407 // expired if expireDate - nowDate <= 0
      }
  }

  {"code":1,"message":"Operation failed"} // failed to connect to server

  {"code":-1,"message":"..."} // other non-zero reasons described by message