Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDEtbtlknahPFvTDOR1G8oLkBFSteY6+MpwAELTEox0JGWEOzb0MHf52Qv9… (1,748 chars)"
  }
}