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                    },
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                    "role": "site_owner",
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                },
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                    },
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                    "role": "metadata_custodian",
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                },
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                "date_to": null,
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                            "name": "sensor_model"
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                ],
                "item_type": {
                    "name": "humidity_sensor"
                }
            }
        },
        {
            "item": {
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                        "abbreviation": "BEV",
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                    },
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                    "name": "APOS - Austrian Positioning Service",
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                },
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                        "infos": "",
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                        "www": ""
                    },
                    "comment": "",
                    "email": "apos.admin@bev.gv.at",
                    "name": "APOS - Austrian Positioning Service",
                    "phone": "+43 676 82101111",
                    "role": "metadata_custodian",
                    "title": ""
                },
                "date_from": "1999-10-28 00:00:00",
                "date_to": null,
                "item_attributes": [
                    {
                        "attribute": {
                            "name": "sensor_model"
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                        "value_date": null,
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                        "value_varchar": "Kroneis 315 K"
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                    },
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                            "name": "data_sampling_interval"
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                        "value_numeric": 0.2,
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                    },
                    {
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                        "value_varchar": null
                    },
                    {
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                    }
                ],
                "item_type": {
                    "name": "pressure_sensor"
                }
            }
        },
        {
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                    },
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                },
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                    },
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                    "name": "APOS - Austrian Positioning Service",
                    "phone": "+43 676 82101111",
                    "role": "metadata_custodian",
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                },
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                "date_to": null,
                "item_attributes": [
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                            "name": "sensor_model"
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        {
            "name": "EPN"
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            "name": "EPOS"
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}