You can manage your GetResponse account and add lists from within your JVZoo account.
As a seller you can manage your GetResponse integration at the link below:
As an Affiliate you can manage your GetResponse integration on the Affiliate Details page of the individual product you are promoting. You can find the Affiliate Details page of any product you are approved to promote on your Approved Products page under the Affiliate menu.
Click on the 3 dots next to the product and select Integrations, if available, to be taken to the affiliate details page.