Event ID 143 — The time service has started advertising as a good time source.

{
  "system": {
    "provider": "Microsoft-Windows-Time-Service",
    "guid": "06EDCFEB-0FD0-4E53-ACCA-A6F8BBF81BCB",
    "event_source_name": "",
    "event_id": 143,
    "version": 0,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": 9223372036854775808,
    "time_created": "2022-04-07T16:53:20.719083+00:00",
    "event_record_id": 1211,
    "correlation": {},
    "execution": {
      "process_id": 384,
      "thread_id": 2288
    },
    "channel": "System",
    "computer": "WIN-FPV0DSIC9O6.lab.local",
    "security": {
      "user_id": "S-1-5-19"
    }
  },
  "event_data": {
    "Name": "TMP_EVENT_START_ADVERTISING_GT"
  },
  "message": ""
}