2022-01-13 0:01:02[1642032062.5272] - new buy order: Array
(
    [contract] => DOT_USDT
    [price] => 27.2562
    [size] => 2250
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 7757.795925 while available 0.166587558859
)