Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEp7t1/2KYJzOJuqXiV5/5diI1fZBHO3H/9gikLnw2JmjR24WfQ4AxWW5/f… (1,748 chars)"
  }
}