{
  "id": "evt_5e6f708192a3b4c5d6e7f8091a2b3c4d",
  "field": "messages",
  "createdAt": "2025-06-08T20:59:44.512Z",
  "pipes": {
    "appId": "app_abc123",
    "poolNumberId": "pn_abc123",
    "media": {}
  },
  "whatsapp": {
    "messaging_product": "whatsapp",
    "metadata": {
      "display_phone_number": "15550001111",
      "phone_number_id": "106540352242922"
    },
    "contacts": [
      {
        "profile": {
          "name": "Sheena Nelson",
          "username": "@realsheenanelson"
        },
        "user_id": "US.13491208655302741918"
      }
    ],
    "messages": [
      {
        "from_user_id": "US.13491208655302741918",
        "id": "wamid.HBgLMTY1MDM4Nzk0MzkVAgASGBQ2QzlBRDI1MzBFN0JGMEFCMzQA",
        "timestamp": "1749416383",
        "type": "contacts",
        "contacts": [
          {
            "origin": "contact_request",
            "name": {
              "formatted_name": "Sheena Nelson",
              "first_name": "Sheena",
              "last_name": "Nelson"
            },
            "phones": [
              {
                "phone": "+1 650-555-1234",
                "wa_id": "16505551234",
                "type": "CELL"
              }
            ],
            "vcard": "QkVHSU46VkNBUkQKVkVSU0lPTjozLjAKTjpOZWxzb247U2hlZW5hOzs7CkZOOlNoZWVuYSBOZWxzb24KVEVMO3R5cGU9Q0VMTDt0eXBlPVZPSUNFO3dhaWQ9MTY1MDU1NTEyMzQ6KzEgNjUwLTU1NS0xMjM0CkVORDpWQ0FSRA=="
          }
        ]
      }
    ]
  }
}