/usr/lib/x86_64-linux-gnu/libsigx-2.0.so.2 is in libsigx-2.0-2 2.0.2-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libsigx-2.0.so.2.0.1
/usr/lib/x86_64-linux-gnu/libsigx-2.0.so.2.0.1