mapdev\FacebookMessenger\Callback\EntryMessage::updateRead PHP Method

    private function updateRead()
    {
        $this->isRead = !is_null(Helper::array_find($this->_message, 'read'));
        if ($this->isRead) {
            $this->read = new Read(Helper::array_find($this->_message, 'read'), $this->useCarbonDT);
        }
    }