Thanks for your feedback!
EDIT
You can do this using the Custom JavaScript interceptor. Go to API Design > Interceptors and follow the steps:
In the Custom Interceptors section, access your Custom JavaScript or create a new one;
In the editor, enter the script:
const strRequestBody = $call.request.getBody().getString("UTF-8");
Click on Save to keep the change.
See the gif below with these steps:
Share your suggestions with us!
Click here and then [+ Submit idea]