return "", errors.New("Deployment is not registered with SUBNET. Please register the deployment via 'mc license register ALIAS'")
	}

	var body bytes.Buffer
	writer := multipart.NewWriter(&body)
	part, e := writer.CreateFormFile("file", filename)
	if e != nil {
		return "", e
	}

	if _, e = part.Write(payload); e != nil {
		return "", e
	}
	writer.Close()

	r, e := http.NewRequest(http.MethodPost, reqURL, &body)

	var buf bytes.Buffer
	w := multipart.NewWriter(&buf)

	// Set the normal formData
	for k, v := range formData {
		w.WriteField(k, v)
	}
	// Set the File formData
	writer, err := w.CreateFormFile("file", "upload.txt")
	if err != nil {
		// return nil, err
		return nil, err
	}
	writer.Write([]byte("hello world"))
	// Close before creating the new request.
	w.Close()

pkg mime/multipart, method (*Writer) Boundary() string
pkg mime/multipart, method (*Writer) Close() error
pkg mime/multipart, method (*Writer) CreateFormField(string) (io.Writer, error)
pkg mime/multipart, method (*Writer) CreateFormFile(string, string) (io.Writer, error)
pkg mime/multipart, method (*Writer) CreatePart(textproto.MIMEHeader) (io.Writer, error)
pkg mime/multipart, method (*Writer) FormDataContentType() string