Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBYmIgLHJobdIuLr/9OgWyxdS0Vi8lCFgZ95iDXTvXavEwNR9PLFXLQc0eJ… (1,748 chars)"
  }
}