replyack not decoded?

[hemna]

This is the raw packet

M0REQ-9>APQTH1,WIDE2-1,qAR,MB7VO::IRC      :does any know why my text has these codes on the end ? {16}5593

decoded to

{
  "raw": "M0REQ-9>APQTH1,WIDE2-1,qAR,MB7VO::IRC      :does any know why my text has these codes on the end ? {16}5593",
  "from": "M0REQ-9",
  "to": "APQTH1",
  "path": [
    "WIDE2-1",
    "qAR",
    "MB7VO"
  ],
  "via": "MB7VO",
  "addresse": "IRC",
  "format": "message",
  "message_text": "does any know why my text has these codes on the end ? {16}5593"
}