Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCX+70eaTq053ZU4lsPrD+YorW+hwlmhg/wPQe5SWNOhBZHrQenCTK5u3oP… (1,748 chars)"
  }
}