/usr/lib/x86_64-linux-gnu/libgobject-2.0.so is in libglib2.0-dev 2.56.1-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.5600.1
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.5600.1