Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB7vuZiuTn3NrFY0qidEcfbk+kD75tx/0JVTIXjixVSJg6Oqzl/i02iwvS/… (1,748 chars)"
  }
}