{
  "e49192047ff241b5933dfef7b832b8fe": {
    "573": {
      "name": "stair",
      "visible_pos": [],
      "bbox2d": []
    },
    "576": {
      "name": "staircase#railing",
      "visible_pos": [],
      "bbox2d": []
    }
  }
}