Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAf9A1kc4IJ0/Fy38hJ64oCFio4IEnufr1vaCQ5LalCqQbzAJLGU43H2XHJ… (1,748 chars)"
  }
}