{ "state": { "eef": { "start": 0, "end": 6 }, "gripper": { "start": 6, "end": 7 } }, "action": { "eef": { "start": 0, "end": 6 }, "gripper": { "start": 6, "end": 7 } }, "video": { "cam0": { "original_key": "observation.images.cam0" }, "cam1": { "original_key": "observation.images.cam1" } }, "annotation": { "human.task_description": { "original_key": "task_index" } } }