{
  "event": "addDevice",
  "payload": {
    "id": "of:0000ffffffff0011",
    "type": "switch",
    "online": false,
    "master": "onos-7",
    "labels": [
      "",
      "sw-1-1",
      "0000ffffffff0011"
    ],
    "metaUi": {
      "x": 576,
      "y": 519
    }
  }
}