curl --request PUT \
  --url https://cloud.kaneo.app/api/activity/comment \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "activityId": "<string>",
  "comment": "<string>"
}
'

{
  "id": "<string>",
  "taskId": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "userId": "<string>",
  "content": "<string>",
  "eventData": {},
  "externalUserName": "<string>",
  "externalUserAvatar": "<string>",
  "externalSource": "<string>",
  "externalUrl": "<string>"
}