Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBhihfPQL3mzW0NJsUXNYH4+DUAKJ5achwfpXsGW2lrKRHkTbU/zwHr0gk/… (1,748 chars)"
  }
}