{
  "type": "minecraft:chest",
  "pools": [
    {
      "rolls": 1,
      "entries": [
        {
          "type": "item",
          "name": "iron_block",
          "weight": 9
        },
        {
          "type": "item",
          "name": "diamond",
          "weight": 6
        },
        {
          "type": "item",
          "name": "diamond_block",
          "weight": 1
        },
        {
          "type": "item",
          "name": "emerald_block",
          "weight": 9
        }
      ]
    }
  ]
}