Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFtOHiBV2HA+I+xx3LejDxKait6d7Qs0Pv7YYPq3kU0zSveCe/z2CSQVlv7… (844 chars)"
  }
}