Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEpC+PYWuhaP9Jtb4QVH7NxJDNfN+Jfk8tpdqTsLFb6RjXqvvEL/QAP3/bw… (844 chars)"
  }
}