/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/ is in lazarus-src-0.9.30.4 0.9.30.4-6.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/README.txt
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmmain.lfm
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmmain.pp
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmnewboolean.lfm
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmnewboolean.pp
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmnewinteger.lfm
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmnewinteger.pp
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmnewstring.lfm
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/frmnewstring.pp
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/jsonviewer.ico
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/jsonviewer.lpi
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/jsonviewer.lpr
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/jsonviewer.res
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/languages/
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/languages/jsonviewer.it.po
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/languages/jsonviewer.pb.po
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/languages/jsonviewer.po
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/languages/jsonviewer.ru.po
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/mainform.ico
/usr/lib/lazarus/0.9.30.4/tools/jsonviewer/msgjsonviewer.pp