Retrieve a contact's data

{
    "contactDatum": {
        "contact": "4",
        "tstamp": "2021-06-09T14:35:10-05:00",
        "geoTstamp": null,
        "geoIp4": "0",
        "geoCountry2": "",
        "geo_country": "",
        "geoState": "",
        "geoCity": "",
        "geoZip": "",
        "geoArea": "0",
        "geoLat": "0.000000",
        "geoLon": "0.000000",
        "geoTz": "",
        "geoTzOffset": "0.00",
        "ga_campaign_source": "",
        "ga_campaign_name": "",
        "ga_campaign_medium": "",
        "ga_campaign_term": "",
        "ga_campaign_content": "",
        "ga_campaign_customsegment": "",
        "ga_first_visit": null,
        "ga_times_visited": "0",
        "fb_id": "0",
        "fb_name": "",
        "tw_id": "0",
        "created_timestamp": "0000-00-00 00:00:00",
        "updated_timestamp": "0000-00-00 00:00:00",
        "created_by": "0",
        "updated_by": "0",
        "links": [],
        "id": "12"
    }
}