{
  "state": {
    "left_arm": {"start": 0, "end": 7},
    "right_arm": {"start": 7, "end": 14},
    "left_hand": {"start": 14, "end": 20},
    "right_hand": {"start": 20, "end": 26}
  },
  "action": {
    "left_arm": {"start": 0, "end": 7},
    "right_arm": {"start": 7, "end": 14},
    "left_hand": {"start": 14, "end": 20},
    "right_hand": {"start": 20, "end": 26}
  },
  "video": {
    "head": {"original_key": "observation.images.cam_external"},
    "left_wrist": {"original_key": "observation.images.cam_left_wrist"},
    "right_wrist": {"original_key": "observation.images.cam_right_wrist"}
  },
  "annotation": {
    "human.task_description": {"original_key": "task_index"}
  }
}