{ "state": { "left_arm": { "start": 0, "end": 8 }, "right_arm": { "start": 8, "end": 16 } }, "action": { "left_arm": { "start": 0, "end": 8 }, "right_arm": { "start": 8, "end": 16 } }, "video": { "cam_head": { "original_key": "observation.images.cam_head" } }, "annotation": { "human.task_description": { "original_key": "task_index" } } }