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

{
  "id": "<string>",
  "conversationId": "<string>",
  "seq": 123,
  "role": "<string>",
  "parts": [
    {}
  ],
  "status": "<string>",
  "createdAt": "<string>",
  "parentId": "<string>",
  "createdBy": "<string>",
  "model": "<string>",
  "tokenUsage": null,
  "finishReason": "<string>",
  "costCredits": "<string>",
  "editedAt": "<string>",
  "idempotencyKey": "<string>",
  "metadata": null,
  "updatedAt": "<string>"
}