curl --request GET \
  --url https://api.circular.rosetta.sh/api/v1/risk/concentration \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "hhi": 123,
    "top5Share": 123,
    "top10Share": 123,
    "whaleRisk": "low",
    "diversificationScore": 123,
    "largestPosition": {
      "address": "<string>",
      "share": 123,
      "amountUsd": 123
    }
  },
  "meta": {
    "latencyMs": 123,
    "freshness": "<string>",
    "source": "<string>"
  }
}