Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGBUapHtToRDcJO3cIq5haZ9+UlQ0dUSMS48+/EQWFhqmjW2X+zFalP36vw… (1,748 chars)"
  }
}