Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC1zO6wc3OxRGlLHcEUyFR386WF+sEtUwClsbeSC5+iQF/ZHB/VoTcJLQ6/… (1,748 chars)"
  }
}