Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHWXzstWF/4gY3JBgk4JwT8tXKSq820upsDicOQhR+Y+1ZMr9AHVKOF3+7B… (1,748 chars)"
  }
}