Subscribe and Unsubscribe

{
  "type": "subscribe",
  "channel": "user" | "market" | "event",
  "auth": "string", // Required only for "user" channel
  "markets": ["string"], // Required for "market" channel
  "events": ["string"], // Required for "event" channel
  "filter": "all" | "orderbook" | "trades" // Optional for "market" and "event" channels
}

{
  "type": "subscribe",
  "channel": "user",
  "auth": "your-api-key-here"
}

{
  "type": "subscribe",
  "channel": "market",
  "markets": ["market-id-1", "market-id-2"],
  "filter": "orderbook"
}

{
  "type": "subscribe",
  "channel": "event",
  "events": ["event-id-1", "event-id-2"],
  "filter": "trades"
}

// Subscribe to multiple markets
ws.send(JSON.stringify({
  type: 'subscribe',
  channel: 'market',
  markets: ['market-1', 'market-2', 'market-3'],
  filter: 'all'
}));

// Subscribe to multiple events
ws.send(JSON.stringify({
  type: 'subscribe',
  channel: 'event',
  events: ['event-1', 'event-2'],
  filter: 'orderbook'
}));

{
  "type": "unsubscribe",
  "channel": "user" | "market" | "event",
  "markets": ["string"], // Required for "market" channel
  "events": ["string"] // Required for "event" channel
}

{
  "type": "unsubscribe",
  "channel": "user"
}

{
  "type": "unsubscribe",
  "channel": "market",
  "markets": ["market-id-1", "market-id-2"]
}

{
  "type": "unsubscribe",
  "channel": "event",
  "events": ["event-id-1"]
}

const ws = new WebSocket('wss://data-ws-dev.voxfi.com.br');

ws.onopen = () => {
  // Subscribe to a market
  ws.send(JSON.stringify({
    type: 'subscribe',
    channel: 'market',
    markets: ['market-id-1'],
    filter: 'orderbook'
  }));
  
  // After some time, unsubscribe
  setTimeout(() => {
    ws.send(JSON.stringify({
      type: 'unsubscribe',
      channel: 'market',
      markets: ['market-id-1']
    }));
  }, 60000); // Unsubscribe after 60 seconds
};

ws.onmessage = (event) => {
  const data = JSON.parse(event.data);
  console.log('Update received:', data);
};