thebetweenlands:mob_spawner (thebetweenlands:mob_spawner - 3420:0) has a TileEntity
Full block state: thebetweenlands:mob_spawner
Hardness: 10.0000, Explosion resistance: 10.0000, Material: ROCK
Block class: thebetweenlands.common.block.structure.BlockMobSpawnerBetweenlands
IBlockState properties: <none>
TileEntity class: thebetweenlands.common.tile.spawner.TileEntityMobSpawnerBetweenlands

TileEntity NBT (from TileEntity#writeToNBT()):
TAG_Compound (10) ('')
{
    TAG_Compound (10) ('ForgeData')
    {
    }
    TAG_Short (2) ('MaxNearbyEntities'): 3
    TAG_Short (2) ('RequiredPlayerRange'): 16
    TAG_Short (2) ('SpawnCount'): 4
    TAG_Compound (10) ('SpawnData')
    {
        TAG_String (8) ('id'): "thebetweenlands:dark_druid"
    }
    TAG_Short (2) ('MaxSpawnDelay'): 800
    TAG_Byte (1) ('HasParticles'): 1
    TAG_Short (2) ('Delay'): 0
    TAG_Byte (1) ('SpawnInAir'): 0
    TAG_Int (3) ('x'): -5027
    TAG_Double (6) ('CheckRange'): 32.0
    TAG_Int (3) ('y'): 94
    TAG_Int (3) ('z'): -4986
    TAG_String (8) ('id'): "thebetweenlands:mob_spawner"
    TAG_Short (2) ('SpawnRange'): 6
    TAG_List (9) ('SpawnPotentials') (1 entries of TAG_Compound (10))
    {
        TAG_Compound (10) ('')
        {
            TAG_Compound (10) ('Entity')
            {
                TAG_String (8) ('id'): "thebetweenlands:dark_druid"
            }
            TAG_Int (3) ('Weight'): 1
        }
    }
    TAG_Short (2) ('MinSpawnDelay'): 200
}
