Asset Prices

{
  "type": "join_room",
  "payload": {
    "room_id": "polymarket_asset_prices"
  }
}

{
  "type": "room_message",
  "payload": {
    "room_id": "polymarket_asset_prices",
    "message": {
      "action": "subscribe",
      "asset_symbols": ["BTC", "ETH"]
    }
  }
}

{
  "type": "asset_prices_stream_subscribe_response",
  "room_id": "polymarket_asset_prices",
  "data": {
    "asset_symbols": ["BTC", "ETH"]
  }
}

{
  "type": "asset_price_tick",
  "room_id": "polymarket_asset_prices",
  "data": {
    "event_type": "tick",
    "symbol": "BTC",
    "price": 97250.50,
    "timestamp_ms": 1743500000000,
    "published_at": 1743500000000
  }
}

{
  "type": "asset_price_window_update",
  "room_id": "polymarket_asset_prices",
  "data": {
    "event_type": "window_update",
    "symbol": "ETH",
    "variant": "1h",
    "start_time": 1743496400000,
    "end_time": 1743500000000,
    "open_price": 3200.0,
    "close_price": 3215.50,
    "update_type": "close",
    "published_at": 1743500000000
  }
}