Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAKzZI6SpQGOMV8UYCm48i/X3kCzjKDz+lKL3sUhTBU0mnn4XtJ/ZS+5Gi/… (1,748 chars)"
  }
}