Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFTmPM7CsLEEjurs/c3cmsv4+iLKkVGtFmEjU8qrT44Xw6QxJjPY11pN63C… (844 chars)"
  }
}