Inquiry notification

When a new inquiry is generated after subscription to Websocket inquiries, the server will automatically push it to the client and this message does not require a reply.

Name	Type	Description
inquiry_id	string	Inquiry id
user_id	string	Inquiry user id
user_name	string	Inquiry user name
currency	string	BTC / ETH
direction	string	Direction: buy/sell/twoWay
kind	string	Kind:option/future/spot
combo_type	string	Combo Type
quantity	float	For single leg, quantity of the leg; For multileg, quantity of the combo.
filled_quantity	float	the quantity that has been filled
is_anonymous	boolean	Whether the user is anonymous.
status	string	wait_approve/active/canceled/timeout/completed
is_private	boolean	Whether the inquiry is private.
secret	string	secret of private inquiry
create_timestamp	long	Inquiry creation timestamp (Number of milliseconds since the Unix epoch ie January 1st, 1970 at 00:00:00 UTC)
expire_timestamp	long	Inquiry expiration timestamp (Number of milliseconds since the Unix epoch ie January 1st, 1970 at 00:00:00 UTC)
legs.instrument	string	Contract name
legs.size	float	For single leg, legs.size is 1. For multilegs, legs.size is the quantity of other legs divided by the quantity of smallest leg (if the quantities of leg1 and leg2 are 50 and 30, then legs.size of leg1 is 1.667, legs.size of leg2 is 1).
legs.direction	string	The direction of single legs: buy/sell

// push message
{
    "id" : 1,
    "jsonrpc" : 2.0,
    "method" : "subscription",
    "params" : {
        "channel":"inquiry.BTC",
        "data":{
            "inquiry_id":"xxxxxxxxxxx",
            "user_id":"1212312",
            "user_name":"COOK",
            "currency":"BTC",
            "quantity":25,
            "filled_quantity":0,
            "direction":"buy",
            "is_anonymous":false,
            "status","active",
            "is_private":true,
            "secret","4311",
            "create_timestamp":1663926165000,
            "expire_timestamp":1663926365000,
            "legs":[
                {
                    "instrument":"BTC-25NOV22-19000-P",
                    "size":1,
                    "direction":"buy"
                }
            ]
        }
    }
}