2021-10-27 9:01:02[1635325262.6488] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 41.8384
    [size] => -2
    [tif] => gtc
)
 Array
(
    [id] => 82843422380
    [contract] => DOT_USDT
    [mkfr] => 0
    [tkfr] => 0.0005
    [tif] => gtc
    [is_reduce_only] => 
    [create_time] => 1635325262.517
    [finish_time] => 1635325262.517
    [price] => 41.8384
    [size] => -2
    [refr] => 0
    [left] => 0
    [text] => api
    [fill_price] => 41.8385
    [user] => 621225
    [finish_as] => filled
    [status] => finished
    [is_liq] => 
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    [is_close] => 
    [iceberg] => 0
)