{
  "format_version": "1.21.80",
  "minecraft:structure_set": {
    "description": {
      "identifier": "examplens:examplename"
    },
    "placement": {
      "type": "minecraft:random_spread",
      "salt": 40000000,
      "separation": 12,
      "spacing": 40,
      "spread_type": "linear"
    },
    "structures": [
      {
        "structure": "examplens:examplename",
        "weight": 1
      }
    ]
  }
}