anchor.diff:  
   # Group Key-Value Store
   
  -## Gamer VFS  [/v1/gamer/vfs/{domain}/{key}]
  +## Gamer VFS  [/v1/gamer/vfs/{domain}/{key}{?binary}]
   
   Gamer VFS is a key-value store you can use to associate data with a user. 
   
  
positive.code:             "message" : "the gamer token is no longer available, call signin!", 
              "data" : "optional error data" 
          }        
   
      
  ### Remove gamer's data [DELETE]
  
  
negative.code: + Parameters
      + domain (required, string, `private`) ... the domain where to store the key/value
      + key (required, string) ... the desired key
  
  + Request (application/json)
  
  