How to set different wallpaper for each screen from command line in Gnome3?

In gnome3 I can run the following command to set the desktop wallpaper for all my monitors: gsettings set org.gnome.desktop.background picture-uri file:///path/to/mypic.png How can I set the wallpaper for each of my monitors individually, so that each of them can has a different wallpaper? Looking for a command line solution.