{
  "nodes": [
    {
      "node_id": 1,
      "label": "node-1",
      "position": [0.65, 0.6, 0.9]
    },
    {
      "node_id": 2,
      "label": "node-2",
      "position": [-0.7, 0.5, 1.23]
    }
  ],
  "zones": [
    {
      "zone_id": "center",
      "label": "center",
      "center": [0.0, 0.0, 1.0],
      "radius": 0.7
    },
    {
      "zone_id": "entrance",
      "label": "entrance",
      "center": [1.0, -0.2, 1.0],
      "radius": 0.8
    },
    {
      "zone_id": "left-closet",
      "label": "left closet",
      "center": [-1.5, -0.5, 1.0],
      "radius": 0.8
    },
    {
      "zone_id": "behind-closet",
      "label": "behind closet",
      "center": [0.0, -1.5, 1.0],
      "radius": 0.55
    }
  ]
}