{
    "customer": {
        "personal_info": {
            "name": "Max Mustermann",
            "email": "max.mustermann@example.com",
            "phone": "+49 123 4567890",
            "address": {
                "street": "Hauptstraße 123",
                "city": "München",
                "zip": "80331",
                "country": "Deutschland"
            }
        },
        "order_history": [
            {
                "order_id": "ORD-2024-001",
                "date": "2024-03-15",
                "items": [
                    {
                        "product": "Laptop",
                        "price": 1299.99,
                        "payment": {
                            "method": "credit_card",
                            "card_number": "4111 1111 1111 1111",
                            "iban": "DE89 3704 0044 0532 0130 00"
                        }
                    }
                ]
            }
        ],
        "preferences": {
            "language": "de",
            "newsletter": true,
            "marketing_consent": {
                "email": "max.mustermann@example.com",
                "phone": "+49 123 4567890"
            }
        }
    },
    "company": {
        "name": "Tech Solutions GmbH",
        "contact": {
            "manager": "Dr. Anna Schmidt",
            "email": "anna.schmidt@techsolutions.de",
            "phone": "+49 89 12345678",
            "address": {
                "street": "Technologiestraße 45",
                "city": "Berlin",
                "zip": "10115",
                "country": "Deutschland"
            }
        }
    }
}