{"id":"pawn_shop","name":"Pawn Shop","type":"content","shop":"Tower Books Broadway","price_usd":4.99,"is_free":false,"description":"Poetry on value and exchange. The pawn shop of cosmic redemption — what are you willing to trade?","agent_summary":"Poetry on value and exchange for understanding trade-offs and resource allocation.","endpoint":"/buy/pawn_shop","full_underground":"https://substratesymposium.com"}