{"service":"Lazarus Long Healthspan ROI Advisor","version":"1.0.0","price":"$0.05 USDC on Base (x402)","description":"POST with a user profile to receive top 5 evidence-based longevity interventions, ranked by ROI for your age cohort, concerns, time, and budget.","request_schema":{"age_cohort":"\"60s\" | \"70s\" | \"80+\"","top_concerns":"Array of 1–3: cardiovascular | cognitive | metabolic | sarcopenia | sleep | inflammation | mobility","time_per_week_hours":"number","budget_tier":"\"free\" | \"low\" | \"moderate\" | \"high\""}}