Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHbmqLHXuD//NHYwuZDxZG8csl18pdCXG3n5kycO6AbGxXW38jZQi9Z7jXj… (1,748 chars)"
  }
}