how to get user id from telegram json export

I have telegram json export
it dont show exact user id

any help in below

"id": 4,
"type": "service",
"date": "2023-12-19T18:42:10",
"date_unixtime": "1702991530",
"actor": "S B",
"actor_id": "user843392905",
"action": "invite_members",
"members": [
"S B"