Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBifsf8fElFLtw9nrD/h0i1QT2HE5K1BEZTPTw4FDYu/zQgNqCqmxv6w+34… (844 chars)"
  }
}