public JsonResult Subscribe(PremiumContentModel premiumContent)
 {
     if (string.IsNullOrEmpty(premiumContent.EmailAddress))
     {
         return(Json(new { success = "false" }));
     }
     _contactRepository.Subscribe(premiumContent);
     return(Json(new { success = "true" }));
 }
 public void Subscribe(PremiumContentModel premiumContent)
 {
     SetIdentifier(premiumContent.EmailAddress);
     SetEmailAddress(premiumContent.EmailAddress);
     UnlockPremiumContent();
 }