{
   "pools": [
       {
           "rolls": 1,
           "entries": [
               {
                   "type": "item",
                   "weight": 1,
                   "name": "vatonage:spawn_diamond_sapling"
               },
               {
                  "type": "item",
                  "weight": 15,
                  "name": "minecraft:air"
              }
           ]
       }
   ]
}