                    "url": "https://www.encodeproject.org/files/ENCFF140GVM/@@download/ENCFF140GVM.bigWig",
                    "metadata": {
                        "Biosample": "Homo sapiens 8988T",
                        "AssayType": "DNase-seq",
                        "Target": "",
                        "BioRep": "1",
                        "TechRep": "1_1,1_2",
                        "OutputType": "read-depth normalized signal",
                        "Format": "bigWig",
                        