2021-11-15 0:01:04[1636934464.865] - new buy order: Array
(
    [contract] => DOT_USDT
    [price] => 46.524
    [size] => 6
    [tif] => gtc
)
 Array
(
    [id] => 92994445760
    [contract] => DOT_USDT
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    [tkfr] => 0.0005
    [tif] => gtc
    [is_reduce_only] => 
    [create_time] => 1636934464.735
    [price] => 46.524
    [size] => 6
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    [left] => 5
    [text] => api
    [fill_price] => 46.524
    [user] => 621225
    [status] => open
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    [is_close] => 
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)

2021-11-15 22:01:03[1637013663.6237] - new buy order: Array
(
    [contract] => DOT_USDT
    [price] => 45.0656
    [size] => 6
    [tif] => gtc
)
 Array
(
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    [tkfr] => 0.0005
    [tif] => gtc
    [is_reduce_only] => 
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    [price] => 45.0656
    [size] => 6
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    [text] => api
    [fill_price] => 45.0656
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    [finish_as] => filled
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    [is_liq] => 
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)