Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHdHbl8+qn19bPnH8PH0l7Qvnkf6G5YPLg9qPnJ+UzOgnJhAgd1IF5Ys/gP… (844 chars)"
  }
}