Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQApAFGYfmT/v8buJznEbJ4quPwtGrzyYALqaYdJh7bPNGIT8JxANq1h4tw6… (1,748 chars)"
  }
}