Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCifnrJSz3A5oHGU1BG3S+cL4kf8xtDn2SK2fSTcSjm7x5BLcpQjDkJNEK9… (1,748 chars)"
  }
}