获取期货的最新赔率。
查询模式:必需 futureId + 可选过滤器(bookmakers、since、mainLines、includeFuture)。
Your API key (query-based auth for v5).
Single future ID (e.g. id11000132131631).
Comma/space-separated bookmaker slugs (default: all)
createdAt >= since (unix sec)
Only return main lines
If true, includes futureMeta in the response.