Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC48vJ6B2C0lvrOozTiRTXlI5qe9eT+zvjb9j2M9OjEi1JIyS+Qi0jmKO7Z… (844 chars)"
  }
}