Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+8xeHhSzN8XMrCAct8wZaBPJyL0/O+uh2lx19Sqr3qDZTlfZwYj/QUJ9n… (844 chars)"
  }
}