{
  "jsonrpc": "2.0",
  "method": "public/subscribe",
  "id": 42,
  "params": {
    "channels": [
      "user.orders.BTC-PERPETUAL.100ms"
    ]
  }
}

{
  "data": [
    {
      "time_in_force": "good_til_cancelled",
      "replaced": false,
      "reduce_only": false,
      "price": 10460.43,
      "post_only": false,
      "original_order_type": "market",
      "order_type": "limit",
      "order_state": "open",
      "order_id": "4",
      "max_show": 200,
      "last_update_timestamp": 1581507159533,
      "label": "",
      "is_rebalance": false,
      "is_liquidation": false,
      "instrument_name": "BTC-PERPETUAL",
      "filled_amount": 0,
      "direction": "buy",
      "creation_timestamp": 1581507159533,
      "average_price": 0,
      "api": false,
      "amount": 200
    }
  ]
}