{
  "syncType": 5,
  "pastParticipants": [
    {
      "groupJID": "554896250135-1618319372@g.us",
      "pastParticipants": [
        {
          "userJID": "133853293371608@lid",
          "leaveReason": 0,
          "leaveTS": 1776736750
        }
      ]
    }
  ],
  "phoneNumberToLidMappings": [
    {
      "pnJID": "555189107051@s.whatsapp.net",
      "lidJID": "133853293371608@lid"
    }
  ]
}