Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDIsuqaIb3NX5S6eYRKzBd6YXj8qxnrekAHmXwO0ADHPjBDVln6g5b45Z5X… (1,748 chars)"
  }
}