{"id":"proving_ground_experience","name":"The Proving Ground Experience","shop":"The Proving Ground","shop_slug":"the-proving-ground","district":{"id":"neon-crossing","name":"Neon Crossing"},"type":"content","price_usd":1.99,"is_free":false,"description":"A bakery where patience is the main ingredient. Margaret the 14-year-old sourdough starter. The best things take time.","agent_summary":"Testing environment for validation, stress-testing, and capability demonstration.","endpoint":"/buy/proving_ground_experience","how_to_buy":{"option_1":"GET /buy/proving_ground_experience — x402 payment challenge. Your wallet pays USDC automatically.","option_2":"Send $1.99 USDC directly to wallet, then GET /receipt/proving_ground_experience?tx=YOUR_TX_HASH to verify and receive content.","wallets":{"base":"0xA3bAbB36564b0383a82c617050306EE30fd18E08","solana":"5HK2dGaaquDWFnYWaWhMzMYtbcDsqeq5biJ2PMtX1tkN"},"price":"$1.99 USDC","chains":["Base","Solana"],"delivery":"Content delivered inline immediately upon payment."}}