List mentions by author

curl --request GET \
  --url https://app.octolens.com/api/v2/mentions/by-author \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": 0,
      "sourceId": "reddit_t3_1abc234",
      "url": "https://reddit.com/r/example/comments/abc123/...",
      "title": "<string>",
      "body": "<string>",
      "source": "reddit",
      "timestamp": "2026-05-06 13:35:37.000",
      "author": "jane.doe",
      "authorName": "<string>",
      "authorAvatar": "<string>",
      "authorUrl": "<string>",
      "authorFollowers": 0,
      "relevance": "relevant",
      "relevanceComment": "<string>",
      "sentiment": "Neutral",
      "language": "en",
      "tags": [
        "competitor_mention",
        "pricing"
      ],
      "keywords": [
        {
          "id": 42,
          "keyword": "social listening"
        }
      ],
      "engaged": true,
      "relevanceScore": 123,
      "feedbackRelevant": 123,
      "imageUrl": "<string>",
      "keywordId": 123
    }
  ],
  "pagination": {
    "nextCursor": "<string>"
  }
}