Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCB2VXa7EIbHsQz3y7SMB6rYv9lB1Br/BWXves/Pf3JvQONAr3JdwudjKSq… (1,748 chars)"
  }
}