Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGIRSm3pfLyEt/oejSVYurObPOg5Dn2nBqDkMUtmLHWA1qFYPWSjr1P2FYY… (844 chars)"
  }
}