Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAyC+Q72XXPaBkYa9Nq8IT+0nAGC9v6GUw9cEVS9mFEFlUxJHi5HodRSfz+… (1,748 chars)"
  }
}