{
    "state": {
        "arm": {
            "original_key": "state",
            "start": 0,
            "end": 7
        },
        "gripper": {
            "original_key": "state",
            "start": 7,
            "end": 8
        }
    },
    "action": {
        "arm": {
            "original_key": "actions",
            "start": 0,
            "end": 7
        },
        "gripper": {
            "original_key": "actions",
            "start": 7,
            "end": 8
        }
    },
    "video": {
        "image": {
            "original_key": "image"
        },
        "wrist_image": {
            "original_key": "wrist_image"
        }
    },
    "annotation": {
        "human.task": {
            "original_key": "task_index"
        }
    }
}