Upload photo, sign and/or thumb impression in Base64 format to FileUploader using jQuery

photoSignThumbUploadInBase64.js

var formData = new FormData();
var photoFileName = "MyPhoto.jpg";
var signFileName = "MySign.jpg";
var thumbFileName = "MyThumb.jpg";
formData.append("Photo", "<<image in base64 format>>");
formData.append("Sign", "<<image in base64 format>>");
formData.append("Thumb", "<<image in base64 format>>");
formData.append("Token", "<<append the JWT in this parameter>>");
formData.append("PhotoUploaded", "Y");//N if not uploading a photo
formData.append("SignUploaded", "Y"); //N if not uploading a sign
formData.append("ThumbUploaded", "Y"); //N if not uploading a sign
formData.append("PhotoFileName", photoFileName);
formData.append("SignFileName", signFileName);
formData.append("ThumbFileName", thumbFileName);
var ajaxRequest = $.ajax({
    type: "POST",
    url: 'fileserver.com/FileUploader/api/filenx/UploadPhotoSignBase64',
    data: formData,
    contentType: "application/json; charset=utf-8",
    contentType: false,
    processData: false
});

ajaxRequest.done(function (data) {
   var response = $.parseJSON(data);
      if (response.Result == 1) {
        var uploadedPhotoURL = response.PhotoURL;
        var uploadedPhotoFileName = response.PhotoFileName;
        var uploadedSignURL = response.SignURL;
        var uploadedSignFileName = response.SignFileName;
        var uploadedThumbURL = response.ThumbURL;
        var uploadedThumbFileName = response.ThumbFileName;
      }
      else {
          alert('Error Occured:' + response.Message);
      }
});

ajaxRequest.error(function (xhr, status) {
    console.log(xhr);
    console.log(status);
    alert('Upload failed, try again later');
});