curl --request POST \
  --url http://localhost:18789/loglife/unregister \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone": "+15551234567"
}
'

{
  "removed": true,
  "existing": true,
  "removedUserIds": [
    "<string>"
  ]
}