[
{
    "model": "unicorn.conversion",
    "pk": 288,
    "fields": {
        "from_amount": 1.0,
        "from_unit": 37,
        "to_amount": 3.0,
        "to_unit": 44,
        "marker": "=",
        "generic": false,
        "year_from": null,
        "year_to": null,
        "original_text": "",
        "precision": null,
        "status": 1,
        "material": [
            11
        ],
        "source": [
            23
        ]
    }
}
]