Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE7DL3Z9WUDW87Yzh++5VwRAHoytyIuaSOQC1nL9pJzIQ8sW/h1ZR1s6QlK… (844 chars)"
  }
}