CAPM 3.7
The export and moving of individual things like users, groups, dashboards is something that is handled by services not support. You can of course migrate the entirety of performance center but that may include things that you don't want. This is documented in the following documentation: https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/it-operations-management/performance-management/3-7/administrating/performance-center-administration/migrate-performance-center.html