Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBp4aOzTT27Tz6MA0P2G+Rp+JttSZaK+N0X6tudDEkudzz3u3eYS6WCjKhQ… (1,748 chars)"
  }
}