Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBzjhSZprIcqZDSZjd/k2TYwb3wBM/6pjDwpTNMhgoAIg2Y7Cy0QJaSreCh… (844 chars)"
  }
}