Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDKJ4KP5prmPWRlz7j7zFbGqeMH4g6s4Nx3u7xZirfwMUxVgeZTBZz79AeA… (844 chars)"
  }
}