the GeoJSON I want to see...

gistfile1.txt

{
    "type": "GeometryCollection",
    "geometries": [
        {
            "type": "Polygon",
            "coordinates": [
                [
                    [
                        251796.55712,
                        5746131.5569
                    ],
                    [
                        252046.54222,
                        5746131.5569
                    ],
                    [
                        252046.54222,
                        5746381.541999999
                    ],
                    [
                        251796.55712,
                        5746381.541999999
                    ],
                    [
                        251796.55712,
                        5746131.5569
                    ]
                ]
            ],
            "properties": {
                "qc_score": -1,
                "blur_score": 66.33602489549324
            }
        }],
        ],
    "properties": {
        "image": "../sample-data/image.tif",
        "date": "04:10:2019T23:43:05"
    }
}
        

Yeah unfortunately it's a spec thing, GeoJSON is a very bare-bones spec.