Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF2JcgOSaBFqRCwRHZcu3qus3rGwhRcCXz3HjEeRm6MpUNIsJuDRP46RXJV… (1,748 chars)"
  }
}