Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBP5U9DvhzrYOpdWyqS4m/mljH4hyV2RKbSTbEMpVYdAADHXzttd2wW9Jaa… (1,748 chars)"
  }
}