debug output from listener

giantSpawnerNBT.toString();:

TAG_Compound: 10 entries
{
   TAG_String("id"): MobSpawner
   TAG_Short("MinSpawnDelay"): 200
   TAG_Short("RequiredPlayerRange"): 16
   TAG_Short("Delay"): -1
   TAG_Short("MaxSpawnDelay"): 800
   TAG_Short("MaxNearbyEntities"): 6
   TAG_Short("SpawnCount"): 4
   TAG_Short("SpawnRange"): 4
   TAG_Compound("SpawnData"): 3 entries
   {
      TAG_List("ActiveEffects"): 1 entries of type TAG_Compound
      {
         TAG_Compound: 3 entries
         {
            TAG_Int("Duration"): 100
            TAG_Byte("Id"): 14
            TAG_Byte("ShowParticles"): 0
         }
      }
      TAG_Compound("Riding"): 1 entries
      {
         TAG_String("id"): Giant
      }
      TAG_Float("HealF"): 0.0
   }
   TAG_String("EntityId"): Zombie
}

###############################################################
###############################################################

MobSpawnerBlock weSpawnerBlock = new MobSpawnerBlock();
weSpawnerBlock.setNbtData(giantSpawnerNBT);
weSpawnerBlock.getNbtData().toString();:

TAG_Compound("MobSpawner"): 9 entries
{
   TAG_Short("MinSpawnDelay"): 200
   TAG_Short("RequiredPlayerRange"): 16
   TAG_Short("Delay"): -1
   TAG_Short("MaxNearbyEntities"): 6
   TAG_Short("MaxSpawnDelay"): 800
   TAG_Short("SpawnRange"): 4
   TAG_Short("SpawnCount"): 4
   TAG_Compound("SpawnData"): 3 entries
   {
      TAG_List("ActiveEffects"): 1 entries of type TAG_Compound
      {
         TAG_Compound: 3 entries
         {
            TAG_Int("Duration"): 100
            TAG_Byte("Id"): 14
            TAG_Byte("ShowParticles"): 0
         }
      }
      TAG_Compound("Riding"): 1 entries
      {
         TAG_String("id"): Giant
      }
      TAG_Float("HealF"): 0.0
   }
   TAG_String("EntityId"): Zombie
}

###############################################################
###############################################################

(After placing the block in the world)
BaseBlock weBlock = bWorld.getBlock(blockLocation);
if (weBlock.hasNbtData()) {
          CompoundTag nbtData = weBlock.getNbtData();
}
nbtData.toString();:

TAG_Compound("TAG_Compound"): 12 entries
{
   TAG_String("id"): MobSpawner
   TAG_Short("MinSpawnDelay"): 200
   TAG_Short("RequiredPlayerRange"): 16
   TAG_Short("Delay"): 0
   TAG_Short("MaxSpawnDelay"): 800
   TAG_Short("MaxNearbyEntities"): 6
   TAG_Short("SpawnCount"): 4
   TAG_Short("SpawnRange"): 4
   TAG_Int("z"): 246
   TAG_Int("y"): 69
   TAG_String("EntityId"): Zombie
   TAG_Int("x"): -167
}

###############################################################
###############################################################

(Using the variable which stores the above)
MobSpawnerBlock weSpawnerBlock = new MobSpawnerBlock();
weSpawnerBlock.setNbtData(nbtData);
weSpawnerBlock.getNbtData().toString();:

TAG_Compound("MobSpawner"): 8 entries
{
   TAG_Short("MinSpawnDelay"): 200
   TAG_Short("RequiredPlayerRange"): 16
   TAG_Short("Delay"): 0
   TAG_Short("MaxNearbyEntities"): 6
   TAG_Short("MaxSpawnDelay"): 800
   TAG_Short("SpawnRange"): 4
   TAG_Short("SpawnCount"): 4
   TAG_String("EntityId"): Zombie
}