JupyterLab​/v3_Client_WebSocket

info.cell_id : cellId
info.tags : tags
info.session : header.session
info.date : date
info.message : msg_id

{
   "buffers": [],
   "channel": "shell",
   "content": {
       "silent": false,
       "store_history": true,
       "user_expressions": {},
       "allow_stdin": true,
       "stop_on_error": true,
       "code": "kokugo[0] = 95\nkokugo[1] = 85\nkokugo[2] = 90\nkokugo[3] = 65\n\nprint(kokugo)"
   },
   "header": {
       "date": "2023-06-14T06:37:33.442Z",
       "msg_id": "aa093c01-de87-423f-a43f-916f6f5623e2",
       "msg_type": "execute_request",
       "session": "b048e86f-fd23-42f0-9580-771ed385b515",
       "username": "",
       "version": "5.2"
   },
   "metadata": {
       "tags": ["filename: c￢￢6a<9b><9a>? <94>c? <92>.ipynb","codenum: 3"],
       "RTL": {
           "uuid": "37745bcd-c618-f2c6-8a5e-bdd546d407fb",
           "displayId": "3",
           "displayName": "3",
           "judge": {
               "data": "",
               "type": "execResult"
           },
           "targetCell": true
       },
       "deletedCells": [],
       "recordTiming": false,
       "cellId": "7b795589"
   },
   "parent_header": {}
}