/usr/ is in libjsoncpp-dev 1.7.4-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/jsoncpp/
/usr/include/jsoncpp/json/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/include/jsoncpp/json/allocator.h
/usr/include/jsoncpp/json/assertions.h
/usr/include/jsoncpp/json/autolink.h
/usr/include/jsoncpp/json/config.h
/usr/include/jsoncpp/json/features.h
/usr/include/jsoncpp/json/forwards.h
/usr/include/jsoncpp/json/json.h
/usr/include/jsoncpp/json/reader.h
/usr/include/jsoncpp/json/value.h
/usr/include/jsoncpp/json/version.h
/usr/include/jsoncpp/json/writer.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/jsoncpp/
/usr/lib/x86_64-linux-gnu/cmake/jsoncpp/jsoncppConfig-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/jsoncpp/jsoncppConfig.cmake
/usr/lib/x86_64-linux-gnu/libjsoncpp.a
/usr/lib/x86_64-linux-gnu/pkgconfig/jsoncpp.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libjsoncpp-dev/
/usr/share/doc/libjsoncpp-dev/copyright
/usr/lib/x86_64-linux-gnu/libjsoncpp.so
/usr/share/doc/libjsoncpp-dev/changelog.Debian.gz