Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCwR8R3gIHBjJHqJ1M9E9QpUqT+rotycDrWbSV3pHB4dQQ0fiftjKBRX9uH… (1,748 chars)"
  }
}