/usr/lib/libspice-client-gtk-3.0.so is in libspice-client-gtk-3.0-dev 0.9-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libspice-client-gtk-3.0.so.1.2.0
/usr/lib/libspice-client-gtk-3.0.so.1.2.0