LaravelFCM\Response\TopicResponse::parseError PHP Method

    private function parseError($responseInJson)
    {
        if (array_key_exists(self::ERROR, $responseInJson)) {
            if (in_array(self::LIMIT_RATE_TOPICS_EXCEEDED, $responseInJson)) {
                $this->needRetry = true;
            }
            $this->error = $responseInJson[self::ERROR];
        }
    }