{
  "status_code": 200,
  "message": "OK",
  "request_timestamp": "2026-10-05T12:34:56Z",
  "response_timestamp": "2026-10-05T12:34:56.123Z",
  "request_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "audit": {
    "processed_by": "legacy_backend_v1",
    "processing_time_ms": 12,
    "origin_ip": "192.0.2.45",
    "user_agent": "LegacyClient/1.0"
  },
  "data": {
    "sitemap": [
      {
        "loc": "https://example.com/",
        "lastmod": "2026-09-30",
        "changefreq": "daily",
        "priority": "1.0"
      },
      {
        "loc": "https://example.com/about",
        "lastmod": "2026-09-28",
        "changefreq": "monthly",
        "priority": "0.8"
      },
      {
        "loc": "https://example.com/contact",
        "lastmod": "2026-09-20",
        "changefreq": "yearly",
        "priority": "0.5"
      },
      {
        "loc": "https://example.com/products",
        "lastmod": "2026-09-25",
        "changefreq": "weekly",
        "priority": "0.9"
      },
      {
        "loc": "https://example.com/blog",
        "lastmod": "2026-09-27",
        "changefreq": "daily",
        "priority": "0.7"
      }
    ]
  }
}