code: def invoke(ctx, data_file):
      
      click.echo('invoking')
      response = ctx.invoke(data_file.read())
      log_data = base64.b64decode(response['LogResult'])
      click.echo(log_data)
      click.echo('Response:')
      click.echo(response['Payload'].read())
      click.echo('done')
docs: Invoke the command synchronously