meta/modality.json

{
  "state": {
    "single_arm": {
      "start": 0,
      "end": 5
    },
    "gripper": {
      "start": 5,
      "end": 6
    }
  },
  "action": {
    "single_arm": {
      "start": 0,
      "end": 5
    },
    "gripper": {
      "start": 5,
      "end": 6
    }
  },
  "video": {
    "top": {
      "original_key": "observation.images.top"
    },
    "wrist_left": {
      "original_key": "observation.images.wrist.left"
    }
  },
  "annotation": {
    "human.task_description": {
      "original_key": "task_index"
    }
  }
}