Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAjIM+LoDLzbLJCF6n1Fw6J/igVTGfS3tpWJAq6oNU8C0Uom5FT45lGNIB/… (1,748 chars)"
  }
}