curl --request GET \
  --url https://http.us.breakcold.com/api/v1/conversations/{conversationId}/messages \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "workspaceId": "<string>",
      "conversationId": "<string>",
      "sentAtMs": 123,
      "textPlain": "<string>",
      "textHtml": "<string>",
      "subject": "<string>",
      "receivedAtMs": 123,
      "attachmentCount": 123
    }
  ],
  "pagination": {
    "cursor": "<string>",
    "hasMore": true
  }
}