{
  "jsonrpc": "2.0",
  "method": "public/subscribe",
  "id": 42,
  "params": {
    "channels": [
      "instrument.creation.(kind).(currency)"
    ]
  }
}

{
  "data": {
    "tick_size": 0.0005,
    "tick_size_steps": [
      {
        "above_price": 120,
        "tick_size": 0.001
      }
    ],
    "taker_commission": 0.0003,
    "strike": 16000,
    "settlement_period": "week",
    "settlement_currency": "BTC",
    "quote_currency": "BTC",
    "price_index": "btc_usd",
    "option_type": "put",
    "min_trade_amount": 0.1,
    "maker_commission": 0.0003,
    "kind": "option",
    "is_active": true,
    "instrument_name": "BTC-13JAN23-16000-P",
    "instrument_id": 144613,
    "expiration_timestamp": 1673596800000,
    "creation_timestamp": 1671696002000,
    "timestamp": 1671696002000,
    "counter_currency": "USD",
    "contract_size": 1,
    "block_trade_tick_size": 0.0001,
    "block_trade_min_trade_amount": 25,
    "block_trade_commission": 0.00015,
    "base_currency": "BTC",
    "state": "open"
  }
}