{
    "ext_data": {
        "ws_url": "wss://118.31.12.250/DisWebSocket/websocket",
        "ws_host": "118.31.12.250",
        "ws_username": "djx",
        "ws_password": "djx123",
        "dev_info": [
            {
                "GW_SN": "21012C00000C",
                "DEV_SN": "2514",
                "SERVER_SET": "/sys/91405811/21012C00000C/service/set"
            }
        ]
    }
}