[
  {
    "weight": 1,
    "value": {
      "template": "the_vault:vault/rooms/omega/mine1",
      "palettes": [ "the_vault:mine/base" ]
    }
  },
  {
    "weight": 1,
    "value": {
      "template": "the_vault:vault/rooms/omega/mine2",
      "palettes": [ "the_vault:mine/base" ]
    }
  }
]