Modify figure block to nested div for ckeditor5 elements

Question

Thanks. I downloaded ckeditor5 custom build using online builder. Integrated with php application and writing script within view page, On uploaded image im getting source as

<figure><img src:"uploaded path"></figure>

its is working fine but I want to change is as

<div class="outerDiv"><div class:"InnerDiv"><img src:"uploaded path"></div></div>

Could you please help?