Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwL2aK6IUgyJWnUqNIlA9hztqn/WenIQZHQmxZmS1eAOyQ3wNZO1w53l5gHr… (844 chars)"
  }
}