meta/modality.json

{
  "state": {
    "vector": {
      "start": 0,
      "end": 7,
      "dtype": "float32",
      "original_key": "observation.state"
    }
  },
  "action": {
    "vector": {
      "start": 0,
      "end": 7,
      "dtype": "float32",
      "original_key": "action"
    }
  },
  "video": {
    "overview_0": {
      "original_key": "observation.images.image"
    }
  },
  "annotation": {
    "human.action.task_description": {
      "original_key": "task_index"
    }
  }
}