设备上下线参数

{
    "app_version": "string",
    "device_ip": "string",
    "device_name": "string",
    "device_type": 0,
    "device_version": "string",
    "mac_address": "string",
    "online": 0,
    "product_key": "string",
    "sign": "string",
    "web_proxy_port": 0,
    "device_factory": "string",
    "brand_name": "string",
    "time": 0
}