{
    "objecttype": "massnahme",
    "import_type": "db",
    "objects": [
        {
            "_objecttype": "massnahme",
            "_mask": "_all_fields",
            "_comment": "<Im Gruppenmodus editiert>",
            "massnahme": {
                "_nested:massnahme__alte_fund_ids:group_mode": "append",
                "lookup:_id": {"alte_id": "test4_1234567"},
                "_version:auto_increment": true,
               
                "_nested:massnahme__alte_fund_ids": [
                    {
                        "fundlink": {
                            "url": "https://nld.kuniweb.gbv.de/#/detail/59d13543-d66a-473d-9e9d-aa87ffdc10a0",
                            "hostname": "nld.kuniweb.gbv.de",
                            "tld": "de"
                            
                        },
                        "inhalt": "Text 3"
                    },
                    {
                        "fundlink": {
                            "url": "https://nld.kuniweb.gbv.de/#/detail/3567bd5a-9001-4428-881f-1ea0d129e89f",
                            "hostname": "nld.kuniweb.gbv.de",
                            "tld": "de"
                            
                        },
                        "inhalt": "Text 4"
                    }
                ]
            }
        }
    ]
}