Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA/JF56CrHEjvG7Oq1kcZL6YvnnloWUqKXzVxaGqkKgeDg52BV7XBbv+dYV… (1,748 chars)"
  }
}