It is not possible to do so because of a change in the URL (Public tenants). You may only share your data within same URL/Public tenant.
You need to create new Groups in the Standard Edition.
*Required.
1️⃣ Signals Dashboard ➡ select |
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2️⃣ User Groups ➡ select |
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3️⃣ Create Group ➡ type
4️⃣ Create Group ➡ select |
Supporting Knowledge
Note: User groups can be created by admins and end users, but they are not used in group associations and security policy.
Note: Admins can convert a user group to a system group.
Additional information about User Groups: