Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGpnJpay7ydmB7DzTMH6OG5XMYEIAn4OjVk0zhveCNrHAKzU+ViwzE3qSga… (844 chars)"
  }
}