{
  "e8c8664d017d451ea44f26336e8c46ad": {
    "221": {
      "name": "railing",
      "visible_pos": [],
      "bbox2d": []
    },
    "228": {
      "name": "stair",
      "visible_pos": [],
      "bbox2d": []
    },
    "230": {
      "name": "railing",
      "visible_pos": [],
      "bbox2d": []
    }
  }
}