Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQJx8o7tUhngB/WS9PVzKgTNqsC0y1jUGnfX1bkpfGtGUVsB93f9XtHipFOI… (1,748 chars)"
  }
}