/usr/ is in libjsonrpc-glib-1.0-dev 3.28.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/include/
/usr/include/jsonrpc-glib-1.0/
/usr/include/jsonrpc-glib-1.0/jsonrpc-client.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-glib.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-input-stream-private.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-input-stream.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-message.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-output-stream.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-server.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-version-macros.h
/usr/include/jsonrpc-glib-1.0/jsonrpc-version.h
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/jsonrpc-glib-1.0.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libjsonrpc-glib-1.0-dev/
/usr/share/doc/libjsonrpc-glib-1.0-dev/copyright
/usr/share/gir-1.0/
/usr/share/gir-1.0/Jsonrpc-1.0.gir
/usr/share/vala/
/usr/share/vala/vapi/
/usr/share/vala/vapi/jsonrpc-glib-1.0.deps
/usr/share/vala/vapi/jsonrpc-glib-1.0.vapi
/usr/lib/x86_64-linux-gnu/libjsonrpc-glib-1.0.so
/usr/share/doc/libjsonrpc-glib-1.0-dev/changelog.Debian.gz