Put rate limited error in JSON

brainlet/api/v1/users.js

@@ -15,7 +15,10 @@ const app = express.Router();
 const createAccountLimiter = rateLimit({
     windowMs: 60 * 60 * 1000, // 1 hour window
     max: 10, // start blocking after 5 requests
-    message: "You are being rate limited"
+    message: JSON.stringify({
+        error: true,
+        message: "ERROR_RATE_LIMITED"
+    })
 });
 
 mongoose.connect(config.mongoUrl, {useNewUrlParser: true, useUnifiedTopology: true});