examples/rbac_with_hierarchy_policy.csv

p, alice, data1, read
p, bob, data2, write
p, data1_admin, data1, read
p, data1_admin, data1, write
p, data2_admin, data2, read
p, data2_admin, data2, write

g, alice, admin
g, admin, data1_admin
g, admin, data2_admin