The swapspacecontents command
The  swapspacecontents command swaps the data and catalog of
      two different spaces while keeping users and implementation-specific elements such as report
      schedules unchanged. It is the same as the Admin - Manage Spaces - Modify Properties - Swap
      Content with Another Space option.
swapspacecontents does not swap:- User and groups
 - Group permissions and memberships
 - Data processing schedules
 - Report schedules
 - SSO settings
 
Command: swapspacecontents [space1name] [space2name]
For example, swapspacecontents “Tenant-ConsumerSpace” “Tenant-STC-
        ConsumerSpace”