### Ejemplo de webhook (curl): 

```bash
curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'authorization: Signature 52eac2713985e212351610d008e7e14fae46f902' \
-d '{
  "notification_type":
    "user_validation",
    "user":
      {
        "ip": "127.0.0.1",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": 1234567,
        "name": "Xsolla User",
        "country": "US"
      }
    }'
```