2021-10-18 2:01:03[1634522463.9338] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 42.8603
    [size] => 2
    [tif] => gtc
)
 Array
(
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    [is_reduce_only] => 
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)

2021-10-18 15:01:03[1634569263.6112] - new sell order: Array
(
    [contract] => DOT_USDT
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    [size] => -37
    [tif] => gtc
)
 Array
(
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    [is_reduce_only] => 
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    [price] => 41.3824
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)

2021-10-18 19:01:03[1634583663.32] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 40.6509
    [size] => -32
    [tif] => gtc
)
 Array
(
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    [is_reduce_only] => 
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