Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDhP4uBUyME5pgN5YF/NgxNvT3MePEG0+pReBR3Wtwt1U7NdayJ/oC/+Y8c… (1,748 chars)"
  }
}