Import modify animation from blender ?

I got animation from mixamo to play it in my game and it works. I needed to change the right hand position at the end of animation. I did this change by blender3d. Now when export it to unity as FBX file I got error !!

If i click on configuration button I see all good !! All bones in their place !!!


How to fix this ? Links: Maximo file. Blender file.

Still no answer, i faced same problems