Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAAZaXJ3Wpq3qqCXAjT5M6WA/wvKTjE8G9GXTs9O4rqJHHZBQ5Ylw7KNxLH… (844 chars)"
  }
}