/usr/lib/x86_64-linux-gnu/liblua5.2-cjson.so.0 is in lua-cjson 2.1.0+dfsg-2.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/liblua5.2-cjson.so.0.0.0
/usr/lib/x86_64-linux-gnu/liblua5.2-cjson.so.0.0.0