Received Media Message with Image

{
    "object": "whatsapp_business_account",
    "entry": [
        {
            "id": "8856996819413533",
            "changes": [
                {
                    "value": {
                        "messaging_product": "whatsapp",
                        "metadata": {
                            "display_phone_number": "16505553333",
                            "phone_number_id": "<PHONE_NUMBER_ID>"
                        },
                        "contacts": [
                            {
                                "profile": {
                                    "name": "<CONTACT_NAME>"
                                },
                                "wa_id": "<WA_ID>"
                            }
                        ],
                        "messages": [
                            {
                                "from": "<FROM_PHONE_NUMBER>",
                                "id": "wamid.id",
                                "timestamp": "<TIMESTAMP>",
                                "type": "image",
                                "image": {
                                    "caption": "This is a caption",
                                    "mime_type": "image/jpeg",
                                    "sha256": "81d3bd8a8db4868c9520ed47186e8b7c5789e61ff79f7f834be6950b808a90d3",
                                    "id": "2754859441498128"
                                }
                            }
                        ]
                    },
                    "field": "messages"
                }
            ]
        }
    ]
}