curl --request PUT \
  --url http://localhost:8000/v2/workspaces/{workspace_id}/sessions/{session_id}/messages/{message_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "metadata": {}
}'

{
  "id": "<string>",
  "content": "<string>",
  "peer_id": "<string>",
  "session_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "workspace_id": "<string>",
  "token_count": 123,
  "metadata": {}
}