anchor.diff:    "plan_id":           "plan-guid-here",
     "organization_guid": "org-guid-here",
     "space_guid":        "space-guid-here"
  -}' -X PUT
  +}' -X PUT -H "X-Broker-API-Version: 2.4" -H "Content-Type: application/json"
   </pre>
   
   In this case, `id` refers to the service instance id generated by Cloud
  
positive.code: 
  ##### cURL #####
  <pre class="terminal">
   $ curl http://username:password@broker-url/v2/catalog
  </pre>
  
  ### Response ###
  
negative.code:   "plan_id": 		"plan-guid-here",
    "service_id": 	"service-guid-here",
    "app_guid":	 	"app-guid-here"
  }' -X PUT -H "X-Broker-API-Version: 2.4" -H "Content-Type: application/json"
  </pre>
  
  In this case, `instance_id` refers to the id of an existing service instance in a previous provisioning, while `id` is service binding id generated by Cloud Controller.
  