Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDwLMI5TwKi4E3mTINbdWXVFZPGSLhGZN6aQckXu0J+2xSn29qyTNcOIEN+… (1,748 chars)"
  }
}