{"example":{"purchase":{"request_id":"sample-001","target_url":"https://example.com/agent-service","amount_usdc":"0.01","network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","pay_to":"0x935ad91b70c6d0769871416c5904d06fbf9ef586"},"policy":{"max_amount_usdc":"0.02","allowed_domains":["example.com"],"allowed_payees":["0x935ad91b70c6d0769871416c5904d06fbf9ef586"],"allowed_networks":["eip155:8453"]},"quote":{"scheme":"exact","network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","amount":"10000","payTo":"0x935ad91b70c6d0769871416c5904d06fbf9ef586"}},"safety":"This is a free sample; do not pay it."}