{
    "account_guid": "63522885f9261e2b04eea043933ee7313eb674fd", // DEPRECATED: use reported_for_account_id instead
    "client_id": null,  // DEPRECATED: use reported_for_app_id instead
    "event": {
        "event_time": "1348177752", 
        "event_type": "signature_request_sent",
        "event_hash": "2216ccd7fd42d2b746f80b335de23429c2dd0dbe28f6fef5e29ca222bd0a447e",
        "event_metadata": {
            "related_signature_id": "ad4d8a769b555fa5ef38691465d426682bf2c992", 
            "reported_for_account_id": "7317e3f73f84c57394c89ed7200997fe",
            "reported_for_app_id": "hello_api_event_received"
        }
    }, 
    "signature_request": {
        ...
    }
}