Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE4Pxkyq/CvxxblpI4lj5bIGaKoYyKDYXrGPVqpWENZi1hw/H65Jx7OGguw… (844 chars)"
  }
}