Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAPlK8+1S6QcqiDtz0bSgjPYYH4ULZ4yqm+Wq8pWcoSrRs0hIZquCz5lFCy… (844 chars)"
  }
}