Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD2sA6wPPLow3SmQtNUhPxHPfd04Vpu2DnfaTBlybSqgx2+K+7Dr8qnEOcA… (1,748 chars)"
  }
}