Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE5qut80YqRnHMQnvYcWRSxM7thubCCDkpxGtf94N4jyC+KUo+Bh86H8XPn… (844 chars)"
  }
}