I have a multisite with a sub-directories structure like this:
and I am trying to find a way to get a sub-directories structure like this:
Super Admin will be able to access everything, site-Admins will be able to access their own site and all the branches, branch-Admins will be able to access only their own branch's site.
I have already tried the WP Multi Network plugin (https://wordpress.org/plugins/wp-multi-network/) but it doesn't do what I wish to, which is to create that 2nd nesting of branches.
Hope I explained my question logically and thank you in advance.