Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAP/2O0RP4zSz0jJWrG9QLI0Yqs2wgZogzSAyBcV5K31zuhgJDNC9V2R5IC… (844 chars)"
  }
}