anchor.diff:  FORMAT: 1A
   HOST: https://app.apiary.io/ngsi9
   TITLE: IoT Discovery GE Open API Specification
  -DATE: 01 September 2015
  +DATE: 17/05/2016
   
   # FIWARE NGSI-9 API Core (v1)
   
  
positive.code: + Request (application/json)
  
          {
    "entities": [
        {
        "type": "Room",
        "isPattern": "false",
        "id": "Room1"
        }
    ],
    "attributes": [
        "temperature"
    ]
    }
  
  + Response 201 (application/json)
  
      + Headers
  
              Location: /ngsi9
  
      + Body
  
              {
    "contextRegistrationResponses": [
        {
        "contextRegistration": {
            "attributes": [
            {
                "isDomain": "false",
                "name": "temperature",
                "type": "float"
            }
            ],
            "entities": [
            {
                "id": "Room1",
                "isPattern": "false",
                "type": "Room"
            }
            ],
            "providingApplication": "http://mysensors.com/Rooms"
          }
        }
    ]
    }
  
  ### Subscribe to Context availability operation [POST /subscribeContextAvailability]
  
  
negative.code: |Availability subscription resource|/subscribeContextAvailability|Generic subscription to context availability information. The expected request body is an instance of subscribeContextAvailabilityRequest; the response body is an instance of subscribeContextAvailabilityResponse.|
  |Availability subscription update resource|/updateContextAvailabilitySubscription|Generic update of context availability subscriptions. The expected request body is an instance of updateContextAvailabilitySubscriptionRequest; the response body is an instance of updateContextAvailabilitySubscriptionResponse.|
  |Availability subscription deletion resource|/unsubscribeContextAvailability|Generic deletion of context availability subscriptions. The expected request body is an instance of unsubscribeContextAvailabilityRequest; the response body is an instance of unsubscribeContextAvailabilityResponse.|
  |Notify context resource|/{notificationURI}|Generic availability notification.The expected request body is an instance of notifyContextAvailabilityRequest; the response body is an instance of notifyContextAvailabilityResponse.|
  
  ###Convenience Operation Resources
  The table below gives an overview of the resources for convenience operation and the effects of interacting with them via the standard HTTP verbs GET, PUT, POST, and DELETE.
  