Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDi6CbeG1DKRy7EIEJFh0Pn8Tn9A5qtraJo/4g51ZgaAQMrXYrX+fwNQEN/… (1,748 chars)"
  }
}