Create a Site Collection or a Team Site
SharePoint allows installing add-ins on a site collection or on a team site.
+ Create a site collection for SigningHub add-in: A SharePoint Admin may use an existing site collection or create a new site collection in their SharePoint environment to install the SigningHub for SharePoint add-in on it. Once you are done with site collection, create SigningHub permission levels in the site collection.
+ Create a team site for SigningHub add-in: A SharePoint Admin may use an existing team site or create a new team site in their SharePoint environment to install the SigningHub for SharePoint add-in on it. Once you are done with team site, create SigningHub permission levels in the team site.