Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEhgDPKrI/sKm5wIUcxmmGyoAKfqrYabRy5qwER4iY1lThSEBsLG7DGdZIZ… (844 chars)"
  }
}