How to save the data and show in tableview like category in ios

Hi i'm working one shopping app and i have response data's like All Categories for Example Main category has men, women,kids etc.and each one has sub-Category like T-shirts,shirts,footwear etc and that also have some sub category(ex.footwear)casual Shoes,formal shoes,scandals etc.. So how can i store this response and how to show the category in tableview please help me