Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGo3UiZU5FXd8YoHVjI/dRo0SIrYhCbZP4Ni91r6RuOpWlLkbrX0QtLe4GZ… (844 chars)"
  }
}