{
  "values": [
    "minecraft:oak_sign",
    "minecraft:spruce_sign",
    "minecraft:birch_sign",
    "minecraft:acacia_sign",
    "minecraft:jungle_sign",
    "minecraft:dark_oak_sign",
    "minecraft:crimson_sign",
    "minecraft:warped_sign",
    "minecraft:mangrove_sign"
  ]
}