curl --request GET \
  --url https://api.mainnet.aptoslabs.com/decibel/api/v1/leaderboard \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "account": "<string>",
      "account_value": 123,
      "rank": 1,
      "realized_pnl": 123,
      "roi": 123,
      "volume": 123
    }
  ],
  "total_count": 1
}