/usr/lib/x86_64-linux-gnu/libsvn_ra-1.so is in libsvn-dev 1.9.3-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libsvn_ra-1.so.1.0.0
/usr/lib/x86_64-linux-gnu/libsvn_ra-1.so.1.0.0