curl --request POST \
  --url https://{host}/Agent/Xmpp/PopMessages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "maxCount": 123
}
'

{
  "Messages": [
    {
      "from": "<string>",
      "to": "<string>",
      "type": "<string>",
      "timestamp": "2023-11-07T05:31:56Z",
      "Content": [
        {}
      ],
      "id": "<string>",
      "lang": "<string>"
    }
  ]
}