{"preview":true,"live":false,"illustrative":true,"paid_url":"https://agents.nibiashara.biz/shelf/fx-parallel-history-7d","price_usd":0.99,"note":"This preview is a shape, not today's street rate. The paid shelf reads the book.","data":{"illustrative":true,"note":"Illustrative shape only. Not a live rate and not dated. Call GET /fx/sample/<sku> for a free preview, or pay the shelf for the current quote.","pair":"USD-NGN","window":"7d","source_name":"Ni Biashara order-book archive","points":[{"captured_at":null,"parallel_mid":1392,"spread_pct":3.4}]}}