When you unsubscribe from a user, you will not be able to receive any content from this sender. If you need to receive content from this user, you will need to remove the block in your account. 


Step 1:  Click on the 'Account' icon in the top right. 


Step 2:  From the dropdown, select 'Account Settings.'


Step 3:  From the 'Blocked Accounts' tab, remove all users you wish to unblock and click 'Close.'