const upload = MediaLib.insert({
      file,
      chunkSize: 'dynamic',
      meta: {
        lastModified: (new Date(lastModified)).toISOString()
      }
    }, false);
    upload.on('start', () => setProgress(0));
    upload.on('progress', (value) => {
      console.log(value);
      setProgress(value);
    });
    upload.on('uploaded', (error) => {
      console.log('uploaded');
      // setProgress(null);
    });
    upload.start();