2021-12-21 3:01:03[1640055663.9146] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 23.8465
    [size] => 1955
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 5897.41829875 while available 152.143265510815
)

2021-12-21 13:01:04[1640091664.0581] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 25.0555
    [size] => -47064
    [tif] => gtc
)
 Array
(
    [label] => RISK_LIMIT_EXCEEDED
    [detail] => increase value 1179310.8864 while current (include pending orders) 0 and risk limit 500000
)