code: def to_json(self):
      return {
          "id": self.id,
          "name": self.name,
          "study_configuration": self.study_configuration,
          "algorithm": self.algorithm,
          "status": self.status,
          "created_time": self.created_time,
          "updated_time": self.updated_time,
      }
  
imports: from __future__ import unicode_literals
  from django.db import models
label_desc: Use image node_id 3 for calling the Study obj's underlying member method code with example usage: obj.to_json() and returns: dict