[ { "name": "Bronze", "color": "#CD7F32", "price": 0, "value": 0.10, "winrate": 0.5, "bonus": 0.001 }, { "name": "Silver", "color": "#C0C0C0", "price": 10, "value": 1, "winrate": 0.55, "bonus": 0.01 }, { "name": "Gold", "color": "#FFD700", "price": 100, "value": 10, "winrate": 0.6, "bonus": 0.1 } ]