2022-01-15 11:01:04[1642244464.4638] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 27.5105
    [size] => -15
    [tif] => gtc
)
 Array
(
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    [contract] => DOT_USDT
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    [tkfr] => 0.0005
    [tif] => gtc
    [is_reduce_only] => 
    [create_time] => 1642244464.332
    [price] => 27.5105
    [size] => -15
    [refr] => 0
    [left] => -10
    [text] => api
    [fill_price] => 27.5105
    [user] => 621225
    [status] => open
    [is_liq] => 
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    [is_close] => 
    [iceberg] => 0
)