Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDQe+lzLHnLOjGqWW4gfiKmE/O9TxM5YVG/IzY4EeqRH0HsvPTYMDqeEoPJ… (844 chars)"
  }
}