AgentLeaderboard(AgentLeaderboard)

{
    "rank": 1,
    "user": {
        "id": 42,
        "name": "Jane Smith",
        "photo": "https://example.com/storage/photos/user-42.jpg"
    },
    "agent_count": 15,
    "agent_count_previous_period": 10,
    "growth_percentage": 50
}