Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHVPvYY0EiC69icHkb8DkaA8unM5bgZyugyp3HM+QsBZGDfqLqGDvG9MHb+… (1,748 chars)"
  }
}