code: def __init__(self, op=None, index=None, **kw):
      super().__init__(_op=op, _index=index, **kw)
  
imports: from typing import Any, Dict
  from ...serialization.serializables import FieldTypes, ListField
  from .chunks import ChunkData, Chunk
  from .core import Entity
  from .executable import _ToObjectMixin
  from .tileables import TileableData
label_desc: Use image node_id 1 to create a new ObjectChunkData object from inherited base classes: ChunkData with example: obj = ObjectChunkData(op, index)