add_admin

 {
            "actionId": "1387132864320",
            "controlId": "1028937310586",
            "content": {
                "flag": 0,
                "act": "add_admin",
                "data": "{\"subType\":1,\"groupId\":\"1553551980397604632\",\"creatorId\":\"7515809925798957274\",\"groupName\":\"B?O HÀNH MDG.KDTB.MR KIÊN NEW\",\"sourceId\":\"5040991429316380002\",\"updateMembers\":[],\"groupSetting\":{\"blockName\":0,\"signAdminMsg\":1,\"addMemberOnly\":0,\"setTopicOnly\":0,\"enableMsgHistory\":1,\"joinAppr\":0,\"lockCreatePost\":0,\"lockCreatePoll\":0,\"lockSendMsg\":0,\"lockViewMember\":0,\"bannFeature\":0,\"dirtyMedia\":0,\"banDuration\":0},\"groupTopic\":null,\"info\":{},\"extraData\":{\"featureId\":23},\"time\":\"1763696669161\",\"avt\":null,\"fullAvt\":null,\"isAdd\":0,\"hideGroupInfo\":0,\"version\":\"1763696669174\",\"groupType\":1}",
                "act_type": "group",
                "ts": 1763696669161
            }
        }