curl --request GET \
  --url https://{subdomain}.withrealm.com/api/external/alpha/chats/{chat_id} \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "content": "<string>",
      "role": "user"
    }
  ],
  "first_id": "<string>",
  "last_id": "<string>",
  "has_more": true,
  "agent_id": "<string>",
  "assistant_id": "<string>"
}