models/best_params.json

{
    "n_estimators": 516,
    "max_depth": 9,
    "learning_rate": 0.21074359142553023,
    "num_leaves": 131,
    "min_child_samples": 70,
    "subsample": 0.7796691167092181,
    "colsample_bytree": 0.7018466944576152,
    "reg_alpha": 0.52062185793523,
    "reg_lambda": 0.3425483694161869
}