Get Breakout Topic

curl --request GET \
  --url https://api.upriver.ai/v1/topics/breakout/{topic_id} \
  --header 'X-API-Key: <api-key>'

{
  "topic": {
    "topic_id": "<string>",
    "topic_name": "<string>",
    "canonical_name": "<string>",
    "vertical": "<string>",
    "status": "<string>",
    "peak_score": 123,
    "discovered_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "category": "<string>",
    "score": 123,
    "relevance_score": 123,
    "engagement": {
      "percentile_score": 123
    },
    "confidence_score": 123,
    "last_signal_at": "2023-11-07T05:31:56Z",
    "source_summary": {},
    "citations": [
      {
        "source_category": "<string>",
        "source_url": "<string>",
        "title": "<string>",
        "snippet": "<string>",
        "source_authority": 123,
        "engagement_score": 123,
        "published_at": "2023-11-07T05:31:56Z"
      }
    ],
    "entities": [
      {
        "canonical_name": "<string>",
        "entity_type": "<string>",
        "confidence": 123,
        "entity_id": "<string>",
        "entity_subtype": "<string>"
      }
    ],
    "trend": {
      "momentum": 1,
      "direction": "up"
    },
    "citation_rate": [
      {
        "day": "<string>",
        "count": 123
      }
    ],
    "narrative": {
      "narrative_id": "<string>",
      "display_name": "<string>",
      "member_count": 123,
      "arc_summary": [
        "<string>"
      ]
    }
  }
}