{
  "contact": {
    "email": "[email protected]",
    "external_id": "user_12345",
    "timezone": "America/New_York",
    "language": "en-US",
    "first_name": "John",
    "last_name": "Doe",
    "full_name": "John Doe",
    "phone": "+15551234567",
    "address_line_1": "123 Main St",
    "address_line_2": "Apt 4B",
    "country": "US",
    "postcode": "10001",
    "state": "NY",
    "job_title": "Software Engineer",
    "custom_string_1": "Premium tier",
    "custom_string_2": "<string>",
    "custom_string_3": "<string>",
    "custom_string_4": "<string>",
    "custom_string_5": "<string>",
    "custom_number_1": 42,
    "custom_number_2": 123,
    "custom_number_3": 123,
    "custom_number_4": 123,
    "custom_number_5": 123,
    "custom_datetime_1": "2023-06-01T09:00:00Z",
    "custom_datetime_2": "2023-11-07T05:31:56Z",
    "custom_datetime_3": "2023-11-07T05:31:56Z",
    "custom_datetime_4": "2023-11-07T05:31:56Z",
    "custom_datetime_5": "2023-11-07T05:31:56Z",
    "custom_json_1": {
      "preferences": {
        "theme": "dark",
        "notifications": true
      }
    },
    "custom_json_2": {},
    "custom_json_3": {},
    "custom_json_4": {},
    "custom_json_5": {},
    "created_at": "2023-01-15T10:30:00Z",
    "updated_at": "2023-04-22T15:45:00Z",
    "contact_lists": [
      {
        "email": "[email protected]",
        "list_id": "newsletter",
        "list_name": "Newsletter",
        "status": "active",
        "created_at": "2023-01-15T10:30:00Z",
        "updated_at": "2023-01-15T10:30:00Z",
        "deleted_at": null
      }
    ],
    "contact_segments": [
      {
        "email": "[email protected]",
        "segment_id": "premium_users",
        "version": 1,
        "matched_at": "2023-01-15T10:30:00Z",
        "computed_at": "2023-01-15T10:30:00Z"
      }
    ]
  }
}