Instagram: не обновляется время

Я использую instagram api, и я использую ниже api: -

https://api.instagram.com/v1/tags/ {tag-name} / медиа / недавний? access_token = ACCESS-TOKEN

Вывод Instagram следующий: -

{
    "data": [{
        "type": "image",
        "users_in_photo": [],
        "filter": "Earlybird",
        "tags": ["snow"],
        "comments": {
            "data": [{
                "created_time": "1296703540",
                "text": "Snow",
                "from": {
                    "username": "emohatch",
                    "username": "Dave",
                    "id": "1242695"
                },
                "id": "26589964"
            },
            {
                "created_time": "1296707889",
                "text": "#snow",
                "from": {
                    "username": "emohatch",
                    "username": "Emo Hatch",
                    "id": "1242695"
                },
                "id": "26609649"
            }],
            "count": 3
        }
        "caption": {
            "created_time": "1296703540",
            "text": "#Snow",
            "from": {
                "username": "emohatch",
                "id": "1242695"
            },
            "id": "26589964"
        },
        "likes": {
            "count": 1,
            "data": [{
                "username": "mikeyk",
                "full_name": "Mike Krieger",
                "id": "4",
                "profile_picture": "http://distillery.s3.amazonaws.com/profiles/profile_1242695_75sq_1293915800.jpg"
            }]
        },        
        "link": "http://instagr.am/p/BWl6P/",
        "user": {
            "username": "emohatch",
            "profile_picture": "http://distillery.s3.amazonaws.com/profiles/profile_1242695_75sq_1293915800.jpg",
            "id": "1242695",
            "full_name": "Dave"
        },
        "created_time": "1296703536",
        "images": {
            "low_resolution": {
                "url": "http://distillery.s3.amazonaws.com/media/2011/02/02/f9443f3443484c40b4792fa7c76214d5_6.jpg",
                "width": 306,
                "height": 306
            },
            "thumbnail": {
                "url": "http://distillery.s3.amazonaws.com/media/2011/02/02/f9443f3443484c40b4792fa7c76214d5_5.jpg",
                "width": 150,
                "height": 150
            },
            "standard_resolution": {
                "url": "http://distillery.s3.amazonaws.com/media/2011/02/02/f9443f3443484c40b4792fa7c76214d5_7.jpg",
                "width": 612,
                "height": 612
            }
        },
        "id": "22699663",
        "location": null
    },
    {
        "type": "video",
        "videos": {
            "low_resolution": {
                "url": "http://distilleryvesper9-13.ak.instagram.com/090d06dad9cd11e2aa0912313817975d_102.mp4",
                "width": 480,
                "height": 480
            },
            "standard_resolution": {
                "url": "http://distilleryvesper9-13.ak.instagram.com/090d06dad9cd11e2aa0912313817975d_101.mp4",
                "width": 640,
                "height": 640
            },
        "users_in_photo": null,
        "filter": "Vesper",
        "tags": ["snow"],
        "comments": {
            "data": [{
                "created_time": "1279332030",
                "text": "Love the sign here",
                "from": {
                    "username": "mikeyk",
                    "full_name": "Mikey Krieger",
                    "id": "4",
                    "profile_picture": "http://distillery.s3.amazonaws.com/profiles/profile_1242695_75sq_1293915800.jpg"
                },
                "id": "8"
            },
            {
                "created_time": "1279341004",
                "text": "Chilako taco",
                "from": {
                    "username": "kevin",
                    "full_name": "Kevin S",
                    "id": "3",
                    "profile_picture": "..."
                },
                "id": "3"
            }],
            "count": 2
        },
        "caption": null,
        "likes": {
            "count": 1,
            "data": [{
                "username": "mikeyk",
                "full_name": "Mikeyk",
                "id": "4",
                "profile_picture": "..."
            }]
        },
        "link": "http://instagr.am/p/D/",
        "user": {
            "username": "kevin",
            "full_name": "Kevin S",
            "profile_picture": "...",
            "id": "3"
        },
        **"created_time"**: "1279340983",
        "images": {
            "low_resolution": {
                "url": "http://distilleryimage2.ak.instagram.com/11f75f1cd9cc11e2a0fd22000aa8039a_6.jpg",
                "width": 306,
                "height": 306
            },
            "thumbnail": {
                "url": "http://distilleryimage2.ak.instagram.com/11f75f1cd9cc11e2a0fd22000aa8039a_5.jpg",
                "width": 150,
                "height": 150
            },
            "standard_resolution": {
                "url": "http://distilleryimage2.ak.instagram.com/11f75f1cd9cc11e2a0fd22000aa8039a_7.jpg",
                "width": 612,
                "height": 612
            }
        },
        "id": "3",
        "location": null
    },
    ...]
}

Если я редактирую какое-либо сообщение, они предоставляют created_time. Но как мне получить update_time?

заранее спасибо