Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFdDgAa6pjpTruOfyJ04ksAscxpWp+ZQXGXQ3LbWHR7mV8YBqAng1IUjuxV… (844 chars)"
  }
}