curl --request GET \
  --url https://api.example.com/services/clusters

[
  {
    "clusterId": "<string>",
    "title": "<string>",
    "tldr": "<string>",
    "category": "<string>",
    "createdAt": "<string>",
    "members": [
      {
        "title": "<string>",
        "url": "<string>",
        "publicationDate": "<string>",
        "sourceType": "<string>",
        "sourceName": "<string>",
        "sourceLogo": "<string>",
        "clusterId": "<string>",
        "summary": "<string>",
        "pageContent": "<string>",
        "metadata": {
          "image": "<string>",
          "author": "<string>",
          "published_time": "<string>",
          "modified_time": "<string>",
          "type": "<string>"
        }
      }
    ],
    "uniqueSourcesCount": 123,
    "uniqueVideosSourcesCount": 123,
    "thumbnail": "<string>"
  }
]