Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDFer9nwNWURsn6h16ilT+N2fk7X2Rvm6TS5AB1s4GIuHFK7hHJYn028lm+… (1,748 chars)"
  }
}