Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE+EHU7UpKzyGpThOYGuPQ+t+bXg6SzF0XPnorRDw5q42FJqFWzYIF3n3Vu… (844 chars)"
  }
}