Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCMqsW7G3uiPsnhQIbEBctpLJ5KExgq+SnMRlpIpnCISTRzXJvy5YcHO8h/… (1,748 chars)"
  }
}