/usr/lib/x86_64-linux-gnu/libneo4j-client.so is in libneo4j-client-dev 1.2.1-1+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libneo4j-client.so.9.1.0
/usr/lib/x86_64-linux-gnu/libneo4j-client.so.9.1.0