diff --git a/frontend/index.html b/frontend/index.html
index 6a4c50a..1127c46 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -115,6 +115,13 @@
         renderCellContent(position, BOARD_ICONS.DESTINATION);
     }
 
+    function renderGameDump(data) {
+        createBoard(data.board);
+        renderObstacles(data.layers)
+        renderDestination(data.destination.position);
+        renderPlayerList(data.players);
+        renderPlayers(data.players);
+    }
 
     function wsConnect() {
         let ws = new WebSocket('ws://localhost:8011');
@@ -123,14 +130,16 @@
         };
 
         ws.onmessage = (e) => {
-            const data = JSON.parse(e.data);
-            console.log("WS message received:", data)
+            const wsMessage = JSON.parse(e.data);
+            console.log("WS message received:", wsMessage)
 
-            createBoard(data.board);
-            renderObstacles(data.layers)
-            renderDestination(data.destination.position);
-            renderPlayerList(data.players);
-            renderPlayers(data.players);
+            switch (wsMessage.message) {
+                case "game_dump":
+                    renderGameDump(wsMessage.data);
+                    break;
+                default:
+                    console.error("Unknown message:", wsMessage)
+            }
         };
 
         ws.onclose = (e) => {
diff --git a/hopper/models/config.py b/hopper/models/config.py
index 85141b6..3a5a6f9 100644
--- a/hopper/models/config.py
+++ b/hopper/models/config.py
@@ -3,6 +3,7 @@ from dataclasses import dataclass
 from typing import List, Optional
 
 from hopper.models.player import Player
+from hopper.models.product import Product
 
 
 @dataclass
@@ -44,4 +45,5 @@ class Settings:
     ws_server: WSServerSettings
     purchase_timeout: int = 10 # seconds
     log_level: int = logging.INFO
+    products: Optional[List[Product]] = None
     debug: Optional[DebugSettings] = None
diff --git a/hopper/models/product.py b/hopper/models/product.py
new file mode 100644
index 0000000..1dcd976
--- /dev/null
+++ b/hopper/models/product.py
@@ -0,0 +1,8 @@
+from dataclasses import dataclass, field
+import uuid
+
+
+@dataclass
+class Product:
+    name: str
+    uuid: str = field(default_factory=lambda: str(uuid.uuid4()))
diff --git a/hopper/models/ws_dto.py b/hopper/models/ws_dto.py
index 40bead7..8eddfe1 100644
--- a/hopper/models/ws_dto.py
+++ b/hopper/models/ws_dto.py
@@ -1,6 +1,10 @@
 from __future__ import annotations
 
+import json
+from typing import TypeVar, Generic
+
 from pydantic import Field
+from pydantic.generics import GenericModel
 
 from hopper.api.dto import BaseModel, BoardDto, DestinationDto, PlayerDto, PositionDto
 from hopper.enums import ObjectType
@@ -15,6 +19,7 @@ class LayerDto(BaseModel):
     name: str
     objects: list[LayerObjectDto]
 
+
 class GameDumpPlayerDto(PlayerDto):
     ...
 
@@ -24,3 +29,22 @@ class GameDumpDto(BaseModel):
     destination: DestinationDto
     players: list[GameDumpPlayerDto]
     layers: list[LayerDto]
+
+
+TMessageData = TypeVar("TMessageData", bound=BaseModel)
+
+
+class WSMessage(GenericModel):
+    message: str
+    data: TMessageData
+
+    def __str__(self) -> str:
+        return self.to_str()
+
+    def to_str(self) -> str:
+        return json.dumps(self.dict())
+
+
+class WSGameDumpMessage(WSMessage):
+    message: str = "game_dump"
+    data: GameDumpDto
diff --git a/hopper/ws_server.py b/hopper/ws_server.py
index 7e0ca99..70e3b08 100644
--- a/hopper/ws_server.py
+++ b/hopper/ws_server.py
@@ -1,5 +1,4 @@
 import asyncio
-import json
 import logging
 from threading import Thread
 
@@ -7,7 +6,7 @@ import websockets
 from websockets import WebSocketServerProtocol
 from websockets.exceptions import ConnectionClosedOK
 
-from hopper.models.ws_dto import GameDumpDto
+from hopper.models.ws_dto import GameDumpDto, WSGameDumpMessage
 from settings import settings
 
 
@@ -32,7 +31,7 @@ class WSServer(Thread):
             self.connected_clients.remove(websocket)
             logging.info(f"Remove client: {websocket.id}")
 
-    def _create_game_dump_message(self) -> str:
+    def _create_game_dump_message(self) -> WSGameDumpMessage:
         # avoid circular imports
         from hopper.api.dependencies import get_game_engine
 
@@ -44,7 +43,7 @@ class WSServer(Thread):
             players=engine.players,
             layers=engine.get_board_layout().layers,
         )
-        return json.dumps(game_dump.dict())
+        return WSGameDumpMessage(data=game_dump)
 
     async def send_game_dump_to_client(
         self, websocket: WebSocketServerProtocol
@@ -52,7 +51,7 @@ class WSServer(Thread):
         """Send game dump to the client"""
         message = self._create_game_dump_message()
         logging.debug(f"Sending game dump to client: {websocket.id}")
-        await websocket.send(message)
+        await websocket.send(message.to_str())
 
     async def send_game_dump(self) -> None:
         """Broadcast game state to all connected clients"""