Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEP4q+pc/jP3b91LcP3kM14gEn0TkGOeAfnQMn0XFg63jh8NTPecsPXbVEJ… (1,748 chars)"
  }
}