Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCyKfS2hSA6PaRPPu2d8mq8RGz0bsBvPaQkaadnj3UF8BArlIa41Kf6uvHf… (1,748 chars)"
  }
}