UserNotificationPreferencesUpdate(UserNotificationPreferencesUpdate)

{
    "enable_system_notifications": true,
    "enable_announcement_notifications": true,
    "enable_activity_notifications": true,
    "enable_comment_notifications": true,
    "enable_like_notifications": true,
    "enable_follow_notifications": true,
    "enable_message_notifications": true,
    "enable_marketing_notifications": true,
    "notification_frequency": "immediate",
    "quiet_hours_start": "string",
    "quiet_hours_end": "string",
    "enable_push_notifications": true,
    "enable_email_notifications": true,
    "enable_sms_notifications": true,
    "enable_wechat_notifications": true,
    "enable_sound": true,
    "enable_vibration": true,
    "notification_preview": "full",
    "custom_notification_rules": [
        {
            "property1": "string",
            "property2": "string"
        }
    ],
    "blocked_users": [
        "497f6eca-6276-4993-bfeb-53cbbbba6f08"
    ],
    "blocked_keywords": [
        "string"
    ]
}