{"id": 1, "name": "John Doe", "email": "john@example.com", "age": 30, "active": true}
{"id": 2, "name": "Jane Smith", "email": "jane@example.com", "age": 25, "active": false}
{"id": 3, "name": "Bob Johnson", "email": "bob@example.com", "age": 35, "active": true, "profile": {"bio": "Software engineer", "location": "NYC"}}
{"id": 4, "name": "Alice Brown", "email": "alice@example.com", "age": 28, "active": true, "profile": {"bio": "Data scientist", "location": "SF", "skills": ["Python", "Machine Learning"]}}
{"id": 5, "name": "Charlie Wilson", "email": "charlie@example.com", "age": 40, "active": false, "profile": {"bio": "Product manager", "location": "LA"}, "metadata": {"created_at": "2023-01-01", "updated_at": "2023-06-01"}}