/usr/lib/x86_64-linux-gnu/libchewing.so.3 is in libchewing3 0.3.5-4build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libchewing.so.3.1.0
/usr/lib/x86_64-linux-gnu/libchewing.so.3.1.0