/usr/share/doc/gir1.2-entangle-0.1/changelog.Debian.gz is in gir1.2-entangle-0.1 0.5.4-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gir1.2-entangle-0.1/../entangle/changelog.Debian.gz