Here’s the payload of a typical call with common fields included:

{
    "id": "48555101eee2f44ac0f0632fcb7c7c9f6ce0012ae395ae79f8a0d515e4f5e41f"
    "action": "page_hit",
    "version": "1",
    "project_id": "d5naNbBlqxSBXLuNa6zwc"
    "session_id": "117b982a451dc22edea6413b8e20958216c0a5b3baaa1d90699c42dbf4e74e33",    
    "anonymous_id": "c2bc0ebe-d852-49d1-9efd-e45744850ae0",
    "user_id": "a46e6878-1ed5-4a81-9185-83608df2fcb6",
    "address": "0x8e6ca77a7e044ba836a97beb796c124ca3a6a154",    
    "payload": {
        "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36",
        "locale": "en-US",
        "location": "ID",
        "referrer": "https://chatgpt.com/",
        "utm_source": "chatgpt.com",
        "utm_medium": "linkedin",
        "utm_campaign": "early-access",
        "utm_term": null,
        "utm_content": null,
        "ref": "vitalik.eth",
        ...
    }
    "timestamp": "2025-04-03 18:21:00",    
}