{
  "biomes": [
    {
      "biome": "default",
      "spawn_info": {
        "spawn_rate": 60,
        "min_count": 1,
        "max_count": 5
      }
    },
    {
      "biome": "minecraft:soul_sand_valley",
      "spawn_info": {
        "spawn_rate": 120,
        "min_count": 1,
        "max_count": 3,
        "spawn_cost_per_entity": 1.2,
        "max_spawn_cost": 0.1
      }
    }
  ]
}