keystone/api-ref/source/v3-ext/federation/mapping/samples/update-request.json

{
    "mapping": {
        "rules": [
            {
                "local": [
                    {
                        "user": {
                            "name": "{0}"
                        }
                    },
                    {
                        "group": {
                            "id": "0cd5e9"
                        }
                    }
                ],
                "remote": [
                    {
                        "type": "UserName"
                    },
                    {
                        "type": "orgPersonType",
                        "any_one_of": [
                            "Contractor",
                            "SubContractor"
                        ]
                    }
                ]
            }
        ]
    }
}