models.SubStanceV2

{
    "class": 0,
    "content": "string",
    "height": 0,
    "left": 0,
    "source_object_id": "string",
    "state_time": [
        [
            0
        ]
    ],
    "top": 0,
    "total_track_duration": 0,
    "width": 0
}