meta/modality.json

{
  "state": {
    "full_state": {
      "start": 0,
      "end": 67,
      "original_key": "observation.state",
      "absolute": true,
      "dtype": "float32"
    }
  },
  "action": {
    "motion_ref": {
      "start": 0,
      "end": 38,
      "original_key": "action.motion_ref",
      "absolute": true,
      "dtype": "float32"
    }
  },
  "video": {
    "front": {
      "original_key": "video.front"
    }
  },
  "annotation": {
    "human.task_description": {
      "original_key": "annotation.human.task_description"
    }
  }
}