GroupEssenceMessage(群精华消息)

{
    "group_id": -9007199254740991,
    "message_seq": -9007199254740991,
    "message_time": -9007199254740991,
    "sender_id": -9007199254740991,
    "sender_name": "string",
    "operator_id": -9007199254740991,
    "operator_name": "string",
    "operation_time": -9007199254740991,
    "segments": [
        {
            "type": "text",
            "data": {
                "text": "string"
            }
        }
    ]
}