Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDDZeLS5C+n1Dgz/DaISEnttcQ7WLC3N4dPSYst6dQAQB1vCB1ykE9Mu5X+… (1,748 chars)"
  }
}