The trades channel provides real-time updates on trades.

// subscribe request
{
    "command": "subscribe",
    "identifier": "{\"channel\":\"TradesChannel\",\"market\":\"IOT-BTC\"}"
}

// confirmation
{
    "type": "confirm_subscription",
    "identifier": "{\"channel\":\"TradesChannel\",\"market\":\"IOT-BTC\"}"
}

// response structure
{
    "identifier": "{\"channel\":\"TradesChannel\",\"market\":\"IOT-BTC\"}",
    "message": {
        "trade": {
            "id": "d40d9f77-dbf3-4ffe-ba97-65eeacc8ebc7",
            "price": "0.02394",
            "size": "0.3",
            "market_name": "LTC-BTC",
            "side": "buy",
            "created_at": "2018-04-24T13:46:05.121966Z"
        }
    }
}