tencent cloud

{
  "GroupId":"@TGS#2TTV7VSII",
  "MsgSeqList":[        // Pull the list of message `seq` values
      {"MsgSeq":1},
      {"MsgSeq":2}
  ]
}

{
  "ActionStatus": "OK",
  "ErrorCode": 0,
  "ErrorInfo": "",
  "GroupMsgReceiptList": [   // Read receipts
      {
          "Code": 0,
          "MsgSeq": 1,       
          "ReadNum": 1,      // Read count of the group message
          "UnreadNum": 6     // Unread count of the group message
      },
      {
          "Code": 0,
          "MsgSeq": 2,
          "ReadNum": 1,
          "UnreadNum": 6
      }
  ]
}