Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCYT++IA6OGhGHng8rBsMSXEpIzp4NHehAS/MpcHYNx/Sd2nT5OTHYAEMBf… (1,748 chars)"
  }
}