{"per_event":{"price_usd":0.5,"currency":"USDC","chain":"base-8453","description":"Pay-per-event: $0.50 per attested clinical trial lifecycle receipt"},"site":{"flat_yearly_usd":25000.0,"receipts_included":"unlimited","currency":"USDC","chain":"base-8453","description":"Site tier: $25,000/yr — unlimited receipts for one clinical site"},"sponsor":{"flat_yearly_usd":500000.0,"receipts_included":"unlimited","currency":"USDC","chain":"base-8453","description":"Sponsor tier: $500,000/yr — unlimited receipts across all trials/sites"},"big_pharma":{"flat_yearly_usd":5000000.0,"receipts_included":"unlimited","currency":"USDC","chain":"base-8453","description":"Big Pharma flat: $5,000,000/yr — enterprise-wide unlimited all trials"},"currency":"USDC","chain":"base-8453","treasury_beneficiary":"0x15184Bf50B3d3F52b60434f8942b7D52F2eB436E","notes":"Per-event: $0.50/receipt — any clinical trial lifecycle event. Site: $25,000/yr — unlimited receipts for one clinical site. Sponsor: $500,000/yr — unlimited receipts across all trials/sites. Big Pharma: $5,000,000/yr flat — enterprise-wide unlimited all trials. All settle USDC on Base 8453. anchor_txid field populated by Base 8453 anchoring service when available."}