code: def init(self):
      self.parseJsonToImageData()
  
imports: from typing import Dict, List
  from MONAILabelReviewerLib.DataStoreKeys import DataStoreKeys
  from MONAILabelReviewerLib.ImageData import ImageData
  from MONAILabelReviewerLib.MONAILabelReviewerEnum import Label
  from MONAILabelReviewerLib.SegmentationMeta import SegmentationMeta
label_desc: Use image node_id 2 for calling the JsonParser obj's underlying member method code with example usage: obj.init() without return types