diff --git a/backend/src/app.ts b/backend/src/app.ts
index a2bfe85..0ef4602 100644
--- a/backend/src/app.ts
+++ b/backend/src/app.ts
@@ -76,7 +76,7 @@ app.use((err: unknown, req: Request, res: Response, next: NextFunction) => {
     }
     next(err);
 });
-app.use(express.json());
+app.use(express.json({ limit: '1mb' }));
 
 // Sandbox mode detection (before versioning)
 app.use(sandboxMiddleware);
diff --git a/frontend/src/hooks/useStreamEvents.ts b/frontend/src/hooks/useStreamEvents.ts
index 8bf1b7f..f782c15 100644
--- a/frontend/src/hooks/useStreamEvents.ts
+++ b/frontend/src/hooks/useStreamEvents.ts
@@ -28,6 +28,7 @@ export function useStreamEvents(
 ): UseStreamEventsReturn {
   const {
     streamIds = [],
+    // userPublicKeys = [],
     subscribeToAll = false,
     autoReconnect = true,
     maxRetryDelay = 30000,