{
  "format_version": "1.13.0",
  "minecraft:single_block_feature": {
    "description": {
      "identifier": "minecraft:creaking_heart_feature"
    },
    "places_block": {
      "name": "minecraft:creaking_heart",
      "states": {
        "pillar_axis": "y",
        "creaking_heart_state": "dormant",
        "natural": true
      }
    },
    "enforce_survivability_rules": false,
    "enforce_placement_rules": false,
    "may_attach_to": {
      "auto_rotate": false,
      "top": "minecraft:pale_oak_log",
      "bottom": "minecraft:pale_oak_log",
      "north": "minecraft:pale_oak_log",
      "east": "minecraft:pale_oak_log",
      "south": "minecraft:pale_oak_log",
      "west": "minecraft:pale_oak_log"
    },
    "may_replace": [ "minecraft:pale_oak_log" ]
  }
}