Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAymYOvYQSUvHyfOVR2yI0V/afV+V8OlIqQuLG7shB/GF2I/a8/0R3LaSkJ… (1,748 chars)"
  }
}