def update
      url = single_url
      payload = attributes_to_payload
      payload[:reset_data] = true
      to_server url, payload
    end
def update
      url = single_url
      payload = attributes_to_payload
      payload[:reset_data] = true
      to_server url, payload
    end
Reset the API object on server and replaces with current attributes
 (We can do this brute-force thing because we have local state.)