Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBTtFMUu+dTRtBpPxPtws1jfCSPYCZN/vijaCU2w5KW5BgoaG3HxZVOdvKf… (1,748 chars)"
  }
}