Timestamps
         Timestamp information is returned from these schema rowsets:
    
        - The DATE_MODIFIED element of a DBSCHEMA_TABLES response.
 - The LAST_SCHEMA_UPDATE and LAST_DATA_UPDATE elements of a MDSCHEMA_CUBES response.
 - The LAST_UPDATE element of a MDSCHEMA_DIMENSIONS response.
 
Timestamp information is returned from these XML API requests:
- The 
LastModifiedattribute of aDimension GetListrequest. - The 
LastModifiedattribute of aDimension GetAttributeTablesrequest. - The 
LastModifiedattribute of aCube GetListrequest. 
The timestamp information is returned in this format:
2017-08-21T13:44:08.517