Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAx1VCZCTNXuPDoyxU2VZB5JBvtJRNC0UGUJ6EFLi93v3teXRCd2Mfa3tdA… (1,748 chars)"
  }
}