FileResult

{
    "contentType": "string",
    "fileDownloadName": "string",
    "lastModified": "2019-08-24T14:15:22Z",
    "entityTag": {
        "tag": {
            "buffer": "string",
            "offset": 0,
            "length": 0,
            "value": "string",
            "hasValue": true
        },
        "isWeak": true
    },
    "enableRangeProcessing": true
}