Retrieve deleted Heartbeat activity I am using D7 + Hearbeat module

Previously my heartbeat setting was when cron runs delete activities older than a month. So a cron run removed the activities.

Is there any way of retrieving the deleted heartbeat activities?
I don't think so because data was deleted from database. If u have old copy of database, then here you can do something,
Create an other database and import that old database into it.
and Fetch the required tables(means required rows and column) and dump into your current database.