Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAwFK/6O3UEZASw6o+GnqoKL4A6nkUmanvT4sAGoeQRvmNyo5I35UvZQ6/+… (1,748 chars)"
  }
}