How to customize the request body for SCIM api calls?

Hey, I was working on testing some SCIM apis and was wondering if there is any way to customize the request json which is send through to the SCIM apis? I wanted to remove the nested nature of some of the data like name and phone number etc, and rename some of the json variables.
For Example:-
From this

to something like this


There is some documentation about deleting/adding custom attributes and mapping them,