Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHtZaI7Hj0fIBUEEXtoJ1Y6uLtMeDRwr0JamrMUVHuKsXmE8w5KGmyuvuRq… (844 chars)"
  }
}