Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCOt4RhLwHlJngaKV7V1Mz5TDUln5NWWtqYH7aElPw4ETaFN2eSJq3hhZPp… (1,748 chars)"
  }
}