JSON:
{
"EventDuration": 60,
"ChickenSpawnRadius": 20.0,
"EnableChickenMovement": true,
"WinItemShortname": "rock",
"WinItemCount": 3,
"WinItemSkinId": 2843316584,
"VipDuration": 7, ## Set to 0 to disregard this win
"RemoveDeadChickensAfterEvent": true
}