Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGaHPZ6Z0HU0DZi5XGmK8Mi6W+JhHf24kc62xOIgd5Q5WXez6kGw+EuX9w1… (844 chars)"
  }
}