When you log in you can manage your relationships by following and unfollowing accounts. We are also in the process of allowing you to like media and
to comment on media.
Instagram did not give us any information about the user you requested. The message we received was: OAuthPermissionsException | This request requires scope=public_content, but this access token is not authorized with this scope. The user must re-authorize your application with scope=public_content to be granted this permissions.