{
  "37f71f4c278d46e0a4a664b3e189ec8e": {
    "161": {
      "name": "stairs#2",
      "visible_pos": [],
      "bbox2d": []
    },
    "171": {
      "name": "stairs#2",
      "visible_pos": [],
      "bbox2d": []
    },
    "172": {
      "name": "picture",
      "visible_pos": [],
      "bbox2d": []
    }
  }
}