diff --git a/src/ExternalEvents.php b/src/ExternalEvents.php
index 34061dc..54aa948 100644
--- a/src/ExternalEvents.php
+++ b/src/ExternalEvents.php
@@ -27,7 +27,7 @@ public static function publish(Message $class): void
             )
         );
         $message    = [
-            'data' => $class->serializeToString(),
+            'data' => $class->serializeToJsonString(),
         ];
 
         publish($routingKey, $message);
@@ -40,7 +40,7 @@ public static function decode(string $expectedEvent, string $message): mixed
     {
         try {
             $event = new $expectedEvent();
-            $event->mergeFromString($message);
+            $event->mergeFromJsonString($message);
 
             return $event;
         } catch (Exception) {
diff --git a/tests/ExternalEventsTest.php b/tests/ExternalEventsTest.php
index a1cbbc3..a678073 100644
--- a/tests/ExternalEventsTest.php
+++ b/tests/ExternalEventsTest.php
@@ -11,7 +11,7 @@
 function publish($routingKey, $message)
 {
     assertSame('softonic.laravel_protobuf_events.fake_proto.fake_message', $routingKey);
-    assertSame(['data' => "\n	:content:"], $message);
+    assertSame(['data' => '{"content":":content:"}'], $message);
 }
 
 class ExternalEventsTest extends TestCase
@@ -23,7 +23,7 @@ public function whenDecodeMessageItShouldReturnTheMessageObject(): void
     {
         $message = new FakeMessage();
         $message->setContent(':content:');
-        $codedMessage = $message->serializeToString();
+        $codedMessage = $message->serializeToJsonString();
 
         $decodedMessage = ExternalEvents::decode(FakeMessage::class, $codedMessage);
         self::assertSame(':content:', $decodedMessage->getContent());
@@ -89,6 +89,6 @@ public function handle(FakeMessage $message)
         $message = new FakeMessage();
         $message->setContent(':content:');
 
-        ExternalEvents::decorateListener($listener::class)(['data' => $message->serializeToString()]);
+        ExternalEvents::decorateListener($listener::class)(['data' => $message->serializeToJsonString()]);
     }
 }