2022-01-08 11:01:03[1641639663.5197] - new buy order: Array
(
    [contract] => DOT_USDT
    [price] => 25.267
    [size] => 344
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 1099.518772 while available 0
)

2022-01-08 15:01:03[1641654063.8568] - new buy order: Array
(
    [contract] => DOT_USDT
    [price] => 24.8072
    [size] => 344
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 1079.5101152 while available 0
)

2022-01-08 17:01:03[1641661263.4395] - new buy order: Array
(
    [contract] => DOT_USDT
    [price] => 24.3762
    [size] => 345
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 1063.8383085 while available 1.494873986695
)