{
    "success": true,
    "target_user_id": 16,
    "dispatched_at": "2026-10-12 21:14:48",
    "push_1_profile_visit": {
        "success": false,
        "reason": "No FCM tokens registered for user 16."
    },
    "push_2_favorite": {
        "success": false,
        "reason": "No FCM tokens registered for user 16."
    }
}