Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwLGMUbF/cLu3vM31GrvqYIwSLWH9SL38gEu5Xg27M5Cdw/qQMszdyYd/Ers… (844 chars)"
  }
}