使用Ruby的Firebase FCM API - RestClient :: RequestTimeout：请求超时

Question

我使用FCM提供远程通知，在rails上使用ruby作为api执行推送通知，使用ResClient执行http请求（也尝试过HttpParty）。但它得到了这个错误：

 RestClient::RequestTimeout: Request Timeout
 from /Users/dowicz/.rvm/gems/ruby-2.3.3/gems/rest-client-1.8.0/lib/restclient/request.rb:427:in `rescue in transmit'

这是我发帖的地方：

def self.send_with_notification_key(options = {})

  fmc_url = "https://fcm.googleapis.com/fcm/send"
  api_key = ENV['FIREBASE_FCM_API_KEY']
  notification_key = [push_key]
  options = {priority: "normal", content_available: true, notification:   {title: "teste", body: "teste213123" } }
  headers = {
      'Authorization' => "key=#{api_key}",
     'Content-Type' => 'application/json'
   } 

  body = { to: notification_key }.merge(options)
  params = { body: body.to_json }

  response = RestClient.post(fmc_url, params, headers)
  build_response(response)

end

还有其他服务作为创建用户，哪个工作正常..有什么建议吗？ 提前谢谢！