{
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    "data": {
        "groupName": "Arisan Kampung Melayu",
        "leaderName": "Bu Ratna",
        "leaderMemberId": "leader",
        "logoText": "AKM",
        "groupPhotoBase64": "",
        "authCode": "AQ-926718",
        "monthlyFee": 250000,
        "startMonth": "2026-06",
        "endMonth": "2028-05",
        "sessionMonths": 24,
        "members": [
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                "id": "leader",
                "name": "Bu Ratna",
                "nickname": "Bu Ratna",
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                "inviteStatus": "draft",
                "payments": []
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        "announcements": [
            {
                "title": "Grup dibuat",
                "body": "Kode autentikasi grup: AQ-926718. Bagikan kode ini hanya ke anggota resmi.",
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                "agendaDate": "",
                "agendaTime": "",
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}