diff --git a/src/Socialbox/Classes/StandardMethods/Settings/SettingsSignatureExists.php b/src/Socialbox/Classes/StandardMethods/Settings/SettingsSignatureExists.php
new file mode 100644
index 0000000..86a7c9d
--- /dev/null
+++ b/src/Socialbox/Classes/StandardMethods/Settings/SettingsSignatureExists.php
@@ -0,0 +1,50 @@
+<?php
+
+    namespace Socialbox\Classes\StandardMethods\Settings;
+
+    use Exception;
+    use InvalidArgumentException;
+    use ncc\ThirdParty\Symfony\Uid\Uuid;
+    use Socialbox\Abstracts\Method;
+    use Socialbox\Enums\StandardError;
+    use Socialbox\Exceptions\DatabaseOperationException;
+    use Socialbox\Exceptions\Standard\InvalidRpcArgumentException;
+    use Socialbox\Exceptions\Standard\MissingRpcArgumentException;
+    use Socialbox\Exceptions\Standard\StandardRpcException;
+    use Socialbox\Interfaces\SerializableInterface;
+    use Socialbox\Managers\SigningKeysManager;
+    use Socialbox\Objects\ClientRequest;
+    use Socialbox\Objects\RpcRequest;
+
+    class SettingsSignatureExists extends Method
+    {
+        /**
+         * @inheritDoc
+         */
+        public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
+        {
+            if(!$rpcRequest->containsParameter('uuid'))
+            {
+                throw new MissingRpcArgumentException('uuid');
+            }
+
+            try
+            {
+                $uuid = Uuid::fromString($rpcRequest->getParameter('uuid'));
+            }
+            catch(InvalidArgumentException)
+            {
+                throw new InvalidRpcArgumentException('uuid');
+            }
+
+            try
+            {
+                return $rpcRequest->produceResponse(SigningKeysManager::signingKeyExists($request->getPeer()->getUuid(), $uuid));
+            }
+            catch(DatabaseOperationException $e)
+            {
+                throw new StandardRpcException('Failed to check the signing key existence', StandardError::INTERNAL_SERVER_ERROR, $e);
+            }
+
+        }
+    }
\ No newline at end of file