Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwERE9GlGDQ8qMIYBYtAFdbUXD7t8L+LzI3xBMMrB8eDv2ggdg2W/5YuuSSV… (844 chars)"
  }
}