A MB counter in a space for Sketchfab objects.

I recently had a problem on a space that was published on spatial. In this space, there was a lot of 3D objects from Sketchfab, photos and videos... And I placed 1 more object in the space then the space crashed and I couldn't get back into it. The space kept crashing again and again, so i had to delete some stuff on unity to reduce the weight of the space and then delete the 3D object that caused the crash. So i thought of a counter of how many MB my space weights or a gauge so i know when i have to stop placing stuff in the space.

Thank you