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[1001,{"id":1,"name":"Alice"},["book","pen"],[12.5,1.0],{"city":"Berlin","zip":"10000"}]
[1002,{"id":2,"name":"Bob"},["laptop"],[999.0],{"city":"Paris","zip":"10001"}]
[1003,{"id":3,"name":"Carol"},["coffee","mug","spoon"],[3.5,8.0,2.0],{"city":"Tokyo","zip":"10002"}]
[1004,{"id":4,"name":"Dave"},[],[],{"city":"Lima","zip":"10003"}]