[
  {
    "weight": 1,
    "value": {
      "template": "the_vault:vault/rooms/challenge/wildwest1",
      "palettes": ["the_vault:chaos/wildwest/base"]
    }
  },
  {
    "weight": 1,
    "value": {
      "template": "the_vault:vault/rooms/challenge/wildwest2",
      "palettes": ["the_vault:chaos/wildwest/base"]
    }
  }
]