Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQKBKpOdp4ftqZ4w1mn5br31fUudSPfWqolpfTqRDIi/Vnv+orYrUb0JBQF/… (1,748 chars)"
  }
}