Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD56NjG1RP9JTkf24hmCYOovBjlXIUq9xFpm/VnPpapBVFVyX/b1zaxvfN/… (1,748 chars)"
  }
}