Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBNw1KAlkydSDLIfTh6pMWV+b2Pm537TFoJ1xNb4TvFPHIaeAx0+WfXG2M9… (1,748 chars)"
  }
}