code: def embeddedLabelContentInParams(self, labelContent: dict) -> dict:
      params = {}
      params[self.PARAMS_PREFIX_REST_REQUEST] = json.dumps(labelContent)
      return params
  
file_path: MONAILabel/plugins/slicer/MONAILabelReviewer/MONAILabelReviewerLib/MonaiServerREST.py
imports: import datetime
  import json
  import logging
  import os
  from urllib.parse import quote_plus
  import requests
  from requests.structures import CaseInsensitiveDict
label_desc: Use image node_id 9 for calling the MonaiServerREST obj's underlying member method code with example usage: obj.embeddedLabelContentInParams(labelContent) and returns: params