Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB7ZE+2zuhkkdXRY+BGOVq3GUv7/AzEeI/6OgxKD83E1V5FTGP0IGSZt9J/… (1,748 chars)"
  }
}