{
  "format_version": "1.21.70",
  "minecraft:client_biome": {
    "description": {
      "identifier": "deep_dark"
    },
    "components": {
      "minecraft:fog_appearance": {
        "fog_identifier": "minecraft:fog_default"
      },
      "minecraft:water_appearance": {
        "surface_color": "#44AFF5"
      },
      "minecraft:biome_music": {
        "music_definition": "deep_dark"
      }
    }
  }
}