Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA/cpJ46IyxHkEsvFDUgaBgkJ9i0WKCwGfrowjGTL0qOW7HbKZKzVp5Zpnq… (1,748 chars)"
  }
}