How to restrict access of IT security manager ro specific inventory orgs

Summary:

Resticrict Inventory orgs in Manage data access to users task for IT security managers

Content (please ensure you mask any confidential information):

There is a requirement where
Admin A can only provide access to inventory org 1, org 2, org 3 to business users
Admin B can only provide access to inventory org 4, org 5, org 6 to business users.
All the inventory orgs belongs to same business unit.
Please help how it can be achieved.

Version (include the version you are using, if applicable):

25C

Code Snippet (add any code snippets that support your topic, if applicable):