             else { return nil }
 
         self.createdAt = createdAt
-        self.guid = guid
         self.id = id
         self.locale = locale
         self.timezone = timezone


extension User : Serializable {
    static let deleted = User(createdAt: Date(),
                              guid: "",
                              id: "",
                              locale: "",
                              timezone: "",


public struct User {
    public var createdAt : Date
    public var id : String
    public var locale : String
    public var timezone : String
