当聚合对话有新消息时

curl --location --request POST 'https://chat.jijyun.cn' \
--header 'Content-Type: application/json' \
--data-raw '{
    "event_id": "string",
    "event_type": "string",
    "company_id": "string",
    "webhook_url": "string",
    "data": {
        "chat": {
            "chat_id": "string",
            "chat_title": "string",
            "chat_type": "string"
        },
        "message": {
            "message_id": "string",
            "message_type": 0,
            "message_content": {
                "text": "string"
            },
            "message_trigger_type": 0,
            "message_trigger_name": "string",
            "message_forward_type": "string",
            "message_create_time": 0
        },
        "channel_num": 0,
        "user": {
            "user_id": "string",
            "user_type": 0,
            "user_name": "string",
            "user_avater": "string",
            "user_addition": {
                "external_user_id": "string"
            }
        },
        "source": {
            "source_id": "string",
            "source_name": "string",
            "source_account_id": 0,
            "source_account_name": "string",
            "source_addition": {
                "bot_id": "string",
                "bot_name": "string"
            }
        }
    }
}'