how to compare 2 files on two remote hosts using Ansible playbook

Question

I am having 2 json files on 2 servers. i want to write a playbook to check the difference between these two files and if there is any change it should display a message.! How can i achieve this. I know how to compare 2 files on same server with diff. But need to know how to compare 2 files from two servers through playbook?