const result = await sf.buy('whale-alerts');
// result.data.alerts → [{amount_btc, from, to, significance}, ...]
// result.data.summary → {alert_count, total_volume_btc, most_active}
// result.data.btc_price_usd → 104928

const result = await sf.buy('btc-sentiment');
// result.data.fear_greed_index → 12
// result.data.overall_label → 'extreme_fear'
// result.data.market_trend → 'bearish'
// result.data.btc_price_usd → 104928

const result = await sf.buy('defi-scores');
// result.data.protocols → [{protocol, tvl_usd, composite_score, recommendation}, ...]