Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDz9PV/WlKDz9/Wti4MXrId3/cxkrBDzow7B3zM6GGPMz4V41A8zKCpTUm/… (1,748 chars)"
  }
}