[  
   {  
      "_id":"5ba8e3c7433cd30be05538b7",
      "createdAt":"2018-09-24T07:29:16.188Z",
      "subscription":[  
         {  
            "types":"Basic",
            "registeredOn":1542969566953,
            "expires":1545561566953
         }         {  
            "types":"Utility",
            "registeredOn":1542985801375,
            "expires":1545577801375
         },
         {  
            "types":"Demo",
            "registeredOn":1542985801375,
            "expires":1545577801375
         }
      ]
   }
]   
How can I access a user having subscription type 'Demo' from many types in Subscription.
 
    