{
    "state": {
        "arm": {
            "original_key": "observation.state",
            "start": 0,
            "end": 6
        },
        "gripper": {
            "original_key": "observation.state",
            "start": 6,
            "end": 7
        },
        "eef_9d": {
            "original_key": "observation.eef_9d",
            "start": 0,
            "end": 9
        }
    },
    "action": {
        "arm": {
            "start": 0,
            "end": 6
        },
        "gripper": {
            "start": 6,
            "end": 7
        },
        "eef_9d": {
            "original_key": "action.eef_9d",
            "start": 0,
            "end": 9
        }
    },
    "video": {
        "ego_view": {
            "original_key": "observation.images.ego_view"
        },
        "wrist_a_view": {
            "original_key": "observation.images.wrist_a_view"
        },
        "wrist_b_view": {
            "original_key": "observation.images.wrist_b_view"
        }
    },
    "annotation": {
        "human.action.task_description": {
            "original_key": "task_index"
        }
    }
}