Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA3hAdaKWtj+LWpw7qIvlr3S5UPzk2bNlWJJ1rPHTR4ygiBs3ieEYAZu4f6… (1,748 chars)"
  }
}