{"treasury":"0xb753be5Eac5B29c711051DfF91279834e9C9b9AC","fee_rate":0.18,"ledger_count":1,"page_sums":{"gross_usdc":"0.005000","fees_usdc":"0.000900","net_usdc":"0.004100"},"next_cursor":"2026-05-02T22:22:48.929+00:00","attestations":[{"id":"30d2c88d-5fab-42a3-91a3-e943ceff5673","transaction_id":"ccc53808-d5bf-4ab9-b9b3-11546479d363","gross_amount_usdc":0.005,"fee_amount_usdc":0.0009,"net_amount_usdc":0.0041,"fee_rate":0.18,"treasury_wallet":"0xb753be5Eac5B29c711051DfF91279834e9C9b9AC","payment_method":"api_key","tool":"price_feed","chain":null,"captured_at":"2026-05-02T22:22:48.929+00:00"}],"note":"Every entry is append-only. Cross-reference transaction_id with on-chain x402 receipts to verify."}