curl --request GET \
  --url https://api.service.getjusto.com/v3/royalty/client

{
  "success": true,
  "data": {
    "_id": "rty-cli-001",
    "websiteId": "w-001",
    "identifier": "CLI-001",
    "justoUserId": "u-001",
    "firstName": "Juan",
    "lastName": "Pérez",
    "fullName": "Juan Pérez",
    "phone": "+56912345678",
    "email": "cliente@example.com",
    "birthday": "1990-01-15",
    "createdAt": "2025-01-01T00:00:00.000Z",
    "updatedAt": "2025-01-15T10:30:00.000Z",
    "lastOrderAt": "2025-01-20T14:30:00.000Z",
    "firstOrderAt": "2024-12-01T10:00:00.000Z",
    "lastOrderAmount": 25000,
    "totalOrders": 15,
    "loyaltyBalance": 150,
    "lastLoginAt": "2025-01-20T12:00:00.000Z",
    "lastOrderStoreId": "store-001",
    "blockedMarketingEmails": false,
    "blockedMarketingNotifications": false,
    "blockedMarketingSMS": false
  }
}