Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEvZ/auq6qM27lqnMSey9CUXEkL27RxBXpOtB8VynzuYlc7tbwVXjr81S0/… (1,748 chars)"
  }
}