anchor.diff:              "duration": "PT1M"
           }
   
  +
   ### Update subscription [PATCH /v2/subscriptions/{subscriptionId}]
   
   Only the fields included in the request are updated in the subscription.
  
positive.code: 
              Location: /v2/registrations/abcde98765
  
  ### Get context provider registration [GET /v2/registrations/{registrationId}]
  
  The response is the registration represented by a JSON object as described at the beginning of this section.
  
  
negative.code: applicable to retrieve resources. Instead of constructing your own URLs,
  to keep your client decoupled from implementation details.
  
  
  + Response 200 (application/json)
  
      + Attributes (object)
          + entities_url: /v2/entities (required, string) - URL which points to the entities resource
          + types_url: /v2/types (required, string) - URL which points to the types resource
          + subscriptions_url: /v2/subscriptions (required, string) - URL which points to the subscriptions resource
          + registrations_url: /v2/registrations (required, string) - URL which points to the registrations resource
  
  # Group Entities
  
  ### List entities [GET /v2/entities{?limit,offset,options,type,id,idPattern,q,geometry,coords,attrs}]
  
  