neutron-lib/api-ref/source/v2/samples/address-scopes/address-scope-create-request.json

{
    "address_scope": {
        "name": "address-scope-2",
        "tenant_id": "a7a7fa10fd7a4c80acb7e4b224480495",
        "ip_version": 4,
        "shared": true,
        "project_id": "a7a7fa10fd7a4c80acb7e4b224480495"
    }
}