Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGJjFh0erOJzplTt/JKmLtGZn/QxF2W+Vs9JUhGvOWq41NZVFJI0Z4xkSEL… (1,748 chars)"
  }
}