anchor.diff:  + Response 201 (application/json)
       + Body
               {
  -             "id" : 000a345gserg345t0
  +             "id" : "000a345gserg345t0"
               }
   
   
  
positive.code:                 "ATT_TIMEOUT":"120"
              }
          Required: [ "ENTITY_ID", "ENTITY_TYPE", "PROTOCOL" ]
  + Response 201 (application/json)
      + Body
              {
                   "subscriptionid_ca" : "1323423gsdfbb35tergs",
                   "subscriptionid_cyg" : "1323423g23423sdfbb35tergs",
                   "subscriptionid_sth" : "1323423gsdfb4345b35tergs",
                   "subscriptionid_perseo" : "1323423gsdfb4sdb35tergs"
              }
  
negative.code: 
  
  ## Register entity service [/v1.0/service/{serviceId}/subservice/{subserviceId}/register_service/]
  ### Register entity service for IoTA and ca, sth, perseo subscriptions [POST]
  + Parameters
      + serviceId (required, `string`) ... Service Id
      + subserviceId (required, `string`) ... SubService Id
  