Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBH2IX/dbsRH/nwZ3rpAzs0NfLd3nKM7aRcBWO1TEO5Y3RS0tngzQTnuQce… (1,748 chars)"
  }
}