{
  "event": "addDevice",
  "payload": {
    "id": "of:0000ffffffff000A",
    "type": "switch",
    "online": false,
    "labels": [
      "0000ffffffff000A",
      "FF:FF:FF:FF:00:0A",
      "?"
    ],
    "metaUi": {
      "Zx": 832,
      "Zy": 223
    }
  }
}