Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFnQynMIQt/mJdsEcbN/7z+CbScOh+4wBKNkQ+UL4TumUWo+qCCXFIRfr/9… (844 chars)"
  }
}