2021-11-04 8:01:03[1636012863.2911] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 52.7284
    [size] => -4
    [tif] => gtc
)
 Array
(
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    [tkfr] => 0.0005
    [tif] => gtc
    [is_reduce_only] => 
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    [finish_time] => 1636012863.175
    [price] => 52.7284
    [size] => -4
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    [text] => api
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    [user] => 621225
    [finish_as] => filled
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)

2021-11-04 17:01:04[1636045264.0842] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 53.4046
    [size] => -8
    [tif] => gtc
)
 Array
(
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    [price] => 53.4046
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    [user] => 621225
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)