Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBu6x7Dn13x+4QPKAYuOuQoZphZrWKS7sth7E98da4tEiUv6eqRHilO+DY/… (1,748 chars)"
  }
}