Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCBuiozzMTHuNZjKHBdqEThLyTYBU6oSf3Jb0DXQTj1tDA2A3ZBihVTV+Th… (1,748 chars)"
  }
}