Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB/LxaYN/MGTgBoqf02NXfNjvixFlFf5O01Nkt4DXlJ4F1XdyQckkkFV7Pp… (1,748 chars)"
  }
}