Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCZCgUN3uA0XRSvCSY3pypK7uLhfS/l/11s5GzT8A+I7nPnjxW0i9u5FvHX… (1,748 chars)"
  }
}