{
  "a1e6ac6215144c25ae6f192518569e43": {
    "299": {
      "name": "staircase",
      "visible_pos": [
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        13,
        14,
        15,
        16,
        17,
        18,
        19
      ],
      "bbox2d": [
        [
          473,
          85,
          101,
          215
        ],
        [
          245,
          81,
          206,
          182
        ],
        [
          0,
          109,
          227,
          173
        ],
        [
          450,
          128,
          5,
          22
        ],
        [
          225,
          96,
          404,
          382
        ],
        [
          79,
          90,
          371,
          332
        ],
        [
          171,
          92,
          106,
          318
        ],
        [
          56,
          383,
          64,
          97
        ],
        [
          480,
          305,
          91,
          169
        ],
        [
          250,
          306,
          198,
          151
        ],
        [
          1,
          311,
          224,
          160
        ],
        [
          454,
          334,
          112,
          32
        ],
        [
          230,
          321,
          94,
          49
        ],
        [
          399,
          315,
          57,
          115
        ],
        [
          175,
          316,
          57,
          118
        ]
      ]
    }
  }
}