$ sudo apt-get update
$ sudo apt-get install libmodule-signature-perl 

libmodule-signature-perl is installed in your system.

Make ensure the libmodule-signature-perl package were installed using the commands given below,

$ sudo dpkg-query -l | grep libmodule-signature-perl *

You will get with libmodule-signature-perl package name, version, architecture and description in a table

libmodule-signature-perl package basic information: