{
    "messaging_product": "whatsapp",
    "contacts": [
        {
            "input": "554192737784",
            "wa_id": "554192737784"
        }
    ],
    "messages": [
        {
            "id": "wamid.HBgMNTU0MTkyNzM3Nzg0FQIAERgSMzk1QTM0NEZCODg2RUQ2RkQ4AA=="
        }
    ]
}