diff --git a/backend/src/Infrastructure/External/Api/BinaryStringFileResult.php b/backend/src/Infrastructure/External/Api/BinaryStringFileResult.php
index 6331c2c..363ef74 100644
--- a/backend/src/Infrastructure/External/Api/BinaryStringFileResult.php
+++ b/backend/src/Infrastructure/External/Api/BinaryStringFileResult.php
@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace App\Infrastructure\External\Api;
 
+use RuntimeException;
+
 /**
  * Враппер бинарных фалов, при создании класса содает новый временный файл,
  * при необходимости сохраняет файл под новым именем
@@ -23,4 +25,14 @@ class BinaryStringFileResult
         $this->tempFileName = sprintf('%s/%s_%s', sys_get_temp_dir(), 'Document', time());
         file_put_contents($this->tempFileName, $content);
     }
+
+    public function remove(): bool
+    {
+        if (file_exists($this->tempFileName)) {
+            unlink($this->tempFileName);
+            return true;
+        }
+
+        throw new RuntimeException('Temp file not found');
+    }
 }
diff --git a/backend/src/SignDocument/Api/Response/DigitalSignatureResponse.php b/backend/src/SignDocument/Api/Response/DigitalSignatureResponse.php
new file mode 100644
index 0000000..7392f76
--- /dev/null
+++ b/backend/src/SignDocument/Api/Response/DigitalSignatureResponse.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+
+namespace App\SignDocument\Api\Response;
+
+use App\Infrastructure\Api\Response\AbstractResponse;
+
+class DigitalSignatureResponse extends AbstractResponse
+{
+    public function __construct(
+        public string $hash,
+        public string $content,
+    )
+    {
+    }
+}
\ No newline at end of file
diff --git a/backend/src/SignDocument/Controller/DigitalSignatureController.php b/backend/src/SignDocument/Controller/DigitalSignatureController.php
index 5e836f4..43877c9 100644
--- a/backend/src/SignDocument/Controller/DigitalSignatureController.php
+++ b/backend/src/SignDocument/Controller/DigitalSignatureController.php
@@ -25,8 +25,8 @@ class DigitalSignatureController extends AbstractController
     {
         $token = $request->server->get('HTTP_AUTHORIZATION');
 
-        return $this->createJsonResponse([
-            'hash' => $this->digitalSignatureService->getSignature($digitalSignatureRequest, $token),
-        ]);
+        return $this->createJsonResponseFromObject(
+            $this->digitalSignatureService->getSignature($digitalSignatureRequest, $token)
+        );
     }
 }
\ No newline at end of file
diff --git a/backend/src/SignDocument/Services/DigitalSignatureService.php b/backend/src/SignDocument/Services/DigitalSignatureService.php
index 6c9468b..7ff187e 100644
--- a/backend/src/SignDocument/Services/DigitalSignatureService.php
+++ b/backend/src/SignDocument/Services/DigitalSignatureService.php
@@ -4,22 +4,31 @@ declare(strict_types=1);
 
 namespace App\SignDocument\Services;
 
+use App\Infrastructure\External\Api\BinaryStringFileResult;
 use App\SignDocument\Api\Api;
 use App\SignDocument\Api\ApiParams;
 use App\SignDocument\Api\Request\DigitalSignatureRequest;
+use App\SignDocument\Api\Response\DigitalSignatureResponse;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
 use Exception;
 use RuntimeException;
 
 class DigitalSignatureService
 {
+    private BinaryStringFileResult $document;
+
     public function __construct(
         private readonly Api                           $api,
         private readonly ApiParams                     $apiParams,
-        private readonly RemoveExistingDocumentService $removeExistingDocumentService,
     ){
     }
-    public function getSignature(DigitalSignatureRequest $request, string $token): string
+
+    public function __destruct()
+    {
+        $this->document->remove();
+    }
+
+    public function getSignature(DigitalSignatureRequest $request, string $token): DigitalSignatureResponse
     {
         if ($_ENV['API_TOKEN'] !== $request->apiToken) {
             throw new AccessDeniedHttpException('Доступ запрещен');
@@ -28,16 +37,17 @@ class DigitalSignatureService
         $this->api->apiParams = $this->apiParams;
 
         try {
-            $document = $this->api->download($request->url, $token);
+            $this->document = $this->api->download($request->url, $token);
 
-            exec(sprintf('cp %s %s.pdf', $document->tempFileName, $document->tempFileName));
-            exec(sprintf('cryptcp -sign -detached -der %s', $document->tempFileName . '.pdf'));
+            exec(sprintf('cp %s %s.pdf', $this->document->tempFileName, $this->document->tempFileName));
+            exec(sprintf('cryptcp -sign -detached -der %s.pdf', $this->document->tempFileName));
 
-            $response = base64_encode(file_get_contents($document->tempFileName . '.pdf.sgn'));
+            $response = base64_encode(file_get_contents($this->document->tempFileName . '.pdf.sgn'));
 
-            $this->removeExistingDocumentService->removeExistingDocument($document);
-
-            return $response;
+            return new DigitalSignatureResponse(
+                hash: $response,
+                content: file_get_contents(sprintf('%s.pdf', $this->document->tempFileName))
+            );
         } catch (Exception $e) {
             throw new RuntimeException($e->getMessage());
         }