curl --request POST \
  --url https://{host}/Agent/Xmpp/GetRoster \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "offset": 1073741823,
  "maxCount": 123
}
'

{
  "RosterItems": [
    {
      "bareJid": "<string>",
      "pendingSubscription": true,
      "status": "<string>",
      "name": "<string>",
      "Groups": [
        "<string>"
      ]
    }
  ]
}