Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCrczxBUvJOolHedSHYhE7fRaVBNsVYSuOBXH/W6T+7rjt8qxWdjHo+eXL/… (1,748 chars)"
  }
}