freeipa/install/static/test/data/hbac_mod.json

{
    "error": {
        "code": 4202,
        "kw": {},
        "message": "no modifications to be performed",
        "name": {
            "__base64__": "RW1wdHlNb2RsaXN0"
        }
    },
    "id": 0,
    "result": null
}