class_docstr: Eva worker send score to search strategy
class_docstr_tok: ["Eva","worker","send","score","to","search","strategy"]
code: def serialize_model(self) -> str:
      data = {
          "model_id": self.model_id,
          "model_score": self.model_score,
      }
      return json.dumps(data)
  
file_path: singa/examples/model_selection/TRAILS-Database-Native-Model-Selection/internal/ml/model_selection/src/common/structure.py
imports: import json
label_desc: Use image node_id 2 for calling the ModelEvaData obj's underlying member method code with example usage: obj.serialize_model() and returns: json