Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH3FeJKhDSES471OLtJ+f9wbAIurabK6nprK7IzEX/UgxmEj+TGoAkp8bNW… (1,748 chars)"
  }
}