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private function preparedData(){
    $result = array();
    $session = Mage::getSingleton('checkout/session');
    $order = Mage::getModel('sales/order')->loadByIncrementId($session->getLastRealOrderId());

    foreach ($order->getAllVisibleItems() as $itemId => $item)
    {
      $result['orders_sales'][] = array(
          'name'  => $item->getName(),
          'price' => (string)number_format($item->getPrice(), 2, '.', ''),
          'count' => (int)$item->getQtyOrdered()

      );
    }
	//var_dump($session); die;
    $result['order_id_unique'] = $order->getRealOrderId().'_'.uniqid();
    $result['store_passwd'] = $this->getConfigData('shoppassword');
    $result['store_id'] = $this->getConfigData('shopident');
    $result['amount'] = (string)number_format($order->getGrandTotal(), 2, '.', '');
    $result['merchantType'] = (string)$session->system;
    $result['partsCount'] = (string)$session->parts;
    $result['currency'] = $order->getOrderCurrencyCode();
    $result['responseUrl'] = Mage::getUrl('payparts/payment/return/', array('transaction_id' => $order->getRealOrderId()));
    $result['redirectUrl'] = Mage::getUrl('payparts/payment/fail/');
    $result['products_string'] = "";
	
    if($order->getTaxAmount()){
      $result['orders_sales'][] = array(
          'name' => 'Tax',
          'price' => (string)number_format($this->getTax($order), 2, '.', ''),
          'count' => 1
      );
    }

    for ($i=0; $i<count($result['orders_sales']);$i++)
    {
      $result['products_string'] .= $result['orders_sales'][$i]['name']
          .(string)$result['orders_sales'][$i]['count']
          .str_replace('.', '', $result['orders_sales'][$i]['price']);
    }

    $requestData = json_encode(
        array(
            "storeId"      => $result['store_id'],
            "orderId"      => $result['order_id_unique'],
            "amount"       => $result['amount'],
            "currency"     => $result['currency'],
            "partsCount"   => $result['partsCount'],
            "merchantType" => $result['merchantType'],
            "products"     => $result['orders_sales'],
            "responseUrl"  => $result['responseUrl'],
            "redirectUrl"  => $result['redirectUrl'],
            "signature"    => $this->getSignature($result)
        )
    );

    //var_dump($requestData); die;
    return $requestData;
  }