$ sudo apt-get update
$ sudo apt-get install gwibber-service-identica 

gwibber-service-identica is installed in your system.

Make ensure the gwibber-service-identica package were installed using the commands given below,

$ sudo dpkg-query -l | grep gwibber-service-identica *

You will get with gwibber-service-identica package name, version, architecture and description in a table

gwibber-service-identica package basic information: