A generic container for a Titan modeling service object's metadata info The href to an object, path to access this object The id of an object, to uniquely identify this object The state of an object, to identify it's current state Optional, the pretty label for an object to be used by the UI to display to user. Optional, the last modification time of an object to know if this object has changed. Optional, the string to use as modelPath in a query against this module.