curl --request DELETE \
  --url https://{appid}.api-{region}.cometchat.io/v3/notifications/v1/preferences \
  --header 'apikey: <api-key>'

{
  "data": {
    "groupPreferences": {
      "groupMessages": 2,
      "groupReplies": 2,
      "groupReactions": 2,
      "groupMemberLeft": 1,
      "groupMemberAdded": 1,
      "groupMemberJoined": 1,
      "groupMemberKicked": 1,
      "groupMemberBanned": 1,
      "groupMemberUnbanned": 1,
      "groupMemberScopeChanged": 1
    },
    "oneOnOnePreferences": {
      "oneOnOneMessages": 2,
      "oneOnOneReplies": 2,
      "oneOnOneReactions": 2
    },
    "mutePreferences": {
      "dnd": 1,
      "schedule": {
        "sunday": {
          "from": 0,
          "to": 2359,
          "dnd": false
        },
        "monday": {
          "from": 0,
          "to": 2359,
          "dnd": false
        },
        "tuesday": {
          "from": 0,
          "to": 2359,
          "dnd": false
        },
        "wednesday": {
          "from": 0,
          "to": 2359,
          "dnd": false
        },
        "thursday": {
          "from": 0,
          "to": 2359,
          "dnd": false
        },
        "friday": {
          "from": 0,
          "to": 2359,
          "dnd": false
        },
        "saturday": {
          "from": 0,
          "to": 2359,
          "dnd": false
        }
      }
    },
    "usePrivacyTemplate": true
  }
}