{
  "a4eb4ea3912a494490258a8444f247ec": {
    "97": {
      "name": "stair",
      "visible_pos": [
        21,
        22,
        23,
        33,
        34,
        35
      ],
      "bbox2d": [
        [
          515,
          128,
          45,
          99
        ],
        [
          285,
          141,
          35,
          86
        ],
        [
          31,
          123,
          49,
          102
        ],
        [
          525,
          351,
          43,
          112
        ],
        [
          283,
          364,
          37,
          99
        ],
        [
          0,
          346,
          75,
          114
        ]
      ]
    },
    "338": {
      "name": "stair",
      "visible_pos": [],
      "bbox2d": []
    }
  }
}