FileUploadSessionResponse

{
    "fileId": "string",
    "uploadStatus": "PENDING",
    "fileName": "string",
    "fileType": "string",
    "purpose": "string",
    "uploadMethod": "PRESIGNED_URL",
    "uploadUrl": "http://example.com",
    "expiresAt": "2019-08-24T14:15:22.123Z"
}