Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHEG7VkR5gsFP7v4AXIMEjOJf+vvbmXtVpaqH4gM/XIkCffI/qmyOKpD8XS… (844 chars)"
  }
}