Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD4mQOvTVwA4zcxiOJ77xk8TLgbhvgdf2Y5u/XpC41gEjgZ9oADf/7aEkO5… (844 chars)"
  }
}