code: def reach_process_json():
      
      if request.method == 'OPTIONS':
          return {}
      response = request.body.read().decode('utf-8')
      body = json.loads(response)
      json_str = body.get('json')
      rp = reach.process_json_str(json_str)
      return _stmts_from_proc(rp)
docs: Process REACH json and return INDRA Statements.