join_reject

{
            "actionId": "1387132596706",
            "controlId": "1028937156423",
            "content": {
                "act": "join_reject",
                "data": {
                    "totalPending": 0,
                    "groupId": "3577960412476688087",
                    "userIds": [
                        "7930559564529611135"
                    ],
                    "reviewer": "782916402543855533",
                    "time": "1763696658605"
                },
                "act_type": "group"
            }
        }