Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAYJ9qIavD/OPQ/vPX+xm7aGbsLPAbVYSqIgGa/3wnjuQemf10jow5/DdeH… (1,748 chars)"
  }
}