/usr/lib/x86_64-linux-gnu/libwcstools.so is in libwcstools-dev 3.9.0+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libwcstools.so.0.0.0
/usr/lib/x86_64-linux-gnu/libwcstools.so.0.0.0