/usr/lib/x86_64-linux-gnu/libecholib.so.1.3 is in libecholib1.3 15.11-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libecholib.so.1.3.2
/usr/lib/x86_64-linux-gnu/libecholib.so.1.3.2