"ison": true,
  "has_timer": false,
  "overpower": false

  "wifi_sta": {
    "connected": true,
    "ssid": "viehai",
    "ip": "192.168.12.134",
    "rssi": -53
  },
  "cloud": {
    "enabled": false,
    "connected": false
  },
  "mqtt": {
    "connected": true
  },
  "time": "14:49",
  "serial": 1,
  "has_update": false,
  "mac": "E09806B53557",
  "relays": [
    {
      "ison": true,
      "has_timer": false,
      "overpower": false
    }
  ],
  "meters": [
    {
      "power": 0,
      "is_valid": true,
      "timestamp": 1741618157,
      "counters": [
        0,
        0,
        0
      ],
      "total": 4
    }
  ],
  "temperature": 34.32,
  "overtemperature": false,
  "update": {
    "status": "unknown",
    "has_update": false,
    "new_version": "",
    "old_version": "20190516-073020/master@ea1b23db"
  },
  "ram_total": 50832,
  "ram_free": 40304,
  "fs_size": 233681,
  "fs_free": 170429,
  "uptime": 6645126