Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDvB7YaiS39glqNMW3pW1uwjBmGLBL5Awh+KW6EgQjXaQAyy9+lk25O5gY/… (844 chars)"
  }
}