Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/aARaUfbnt6zkTe6CkYrNS1gcD2m2+bZeUteyP4FYOy8LeLE2x4bZP3EY… (1,748 chars)"
  }
}