Hello! I want to add blendshapes to animated mesh and export to FBX . Can someone tell me if this at all possible?

I can export fbx character with rig and animations. Also separately I can use rop_fbx to export fbx model with blendshapes (but unity does not see the rig)

Both methods work, but can they be combined (result is rigged and animated model with blendshapes on animated mesh)? If so please let me know how.