Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCWX/AHa5G0H+uZUjJ2bIwX4qhNHwm3s0FB0SByAhjfn2ZASN5/snjvlSh3… (844 chars)"
  }
}