curl --request GET \
  --url https://api.kira.art/agent/rewind/{threadId}/{messageId} \
  --header 'Authorization: Bearer <token>'

{
  "messages": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "role": "user",
      "parts": [
        {}
      ],
      "createdAt": "2023-11-07T05:31:56Z"
    }
  ]
}