How to see signature history
To view the signing history your Jira issue or JSM request:
Open the issue you want to see history of.
Click on the Real Signature icon in the issue panel (if app is hidden)
A app panel will appear, allowing you to add new signature or see signing history.
Click on history button (clock icon)
5. You will see a table with a user name, signing person name, signature and the timestamp.