def rest_action(options, action="insert")
      body_object = json_content(options, action)
      inserting_content = { api_method: mirror_api.timeline.send(action),
                            body_object: body_object}
    end
def rest_action(options, action="insert")
      body_object = json_content(options, action)
      inserting_content = { api_method: mirror_api.timeline.send(action),
                            body_object: body_object}
    end
optional parameter is merged into the content hash
 before sending. good for specifying more application
 specific stuff like speakableText parameters.