Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEQqT2O72TjHStQrv8AjJtoANOtEEWq0T0+0tTLSGa+TXH+XTZ7xApka5gH… (844 chars)"
  }
}