{"capability":"flowers","providers":[{"endpoint":"https://x402-app.railhead.network/x402/flowers","address":"0x0bEfB4060d30356Cf405D97E155292EA429AB4D9","price_usdc":0.1,"capability":"flowers","description":"Identify flower types","pricing":"fixed","challenge_audit":{"status":"ok","checked_at":1790825511.7296438}}]}