Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDetyLG1j33zn7c7oqeT5XVZk/NasDcWf5ecF0j4ZYdvwZo6yETAxVVxJV9… (1,748 chars)"
  }
}