Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEDzGN1ILS4miuk3b427uUJP8bKFU/3DV6YBHCQH8GZVh/1IxXJd5HV7wrO… (844 chars)"
  }
}