Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDYfkXbDHiDo1BepLiWHmDvcrv4C/AsFkeK8SJx9iCEn3xvM/e1T6+J8Rgb… (1,748 chars)"
  }
}