anchor.diff:  
       JSON representation of the usage information
   
  -
  -    + Headers
  -
  -            x-auth-token: user:c45sdfdsfo234jgkhsdgf324
  -
  +    + Headers
  +
  +            x-auth-token: user:c45sdfdsfo234jgkhsdgf324
   
       + Body
   
  
positive.code: 
  + Response 200
  
            [events][]
  
  # Group usage
  
  Usage resources provide insights into user activities.
  
  
  ## Retrieve account usage information [/account/usage{?since,cloud,zone,vmtype,hours,account,user,blueprint}]
  
  Retrieves usage information for the account of the authenticated user (administrators only)
  
  
negative.code: 
          }
  
  # Group Events
  
  Events are used to track stack creation initiated by cloudbreak users.
  
  