Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH+MxcfxV8QMbKGb0OyrSp64Agn/mzDYrATAnW2VDkSpGyiaOkBVPZrkKBu… (1,748 chars)"
  }
}