Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHuq8jeEakTZZGcMJN1f3/Lis1bxIZDldhWqUvgIq/p0hizS9kCxDdmU/pm… (1,748 chars)"
  }
}