Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/CLKVi/dUuSG6Hb2Z+KQ/57yy0GADfvDdyEr4OVlndHF//MTa7y7qe7mg… (1,748 chars)"
  }
}