post https://{tenanturl}/v1.0/prov/policy/
Entitlements required: tenantadmin [Tenant Administrator], manageAppAccessOwner [Manage Application Entitlements], manageEntitlements [Manage Entitlements].
Entitlements required: tenantadmin [Tenant Administrator], manageAppAccessOwner [Manage Application Entitlements], manageEntitlements [Manage Entitlements].