meta/modality.json

{
  "state": {
    "arm": {
      "start": 0,
      "end": 14
    },
    "left_hand": {
      "start": 14,
      "end": 20
    },
    "right_hand": {
      "start": 20,
      "end": 26
    }
  },
  "action": {
    "arm": {
      "start": 0,
      "end": 14
    },
    "left_hand": {
      "start": 14,
      "end": 20
    },
    "right_hand": {
      "start": 20,
      "end": 26
    }
  },
  "video": {
    "cam_front": {
      "original_key": "observation.images.color.front"
    },
    "cam_left": {
      "original_key": "observation.images.color.left"
    },
    "cam_right": {
      "original_key": "observation.images.color.right"
    }
  },
  "annotation": {
    "human.task_description": {
      "original_key": "task_index"
    }
  }
}