Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBXlNO+xpY8yrQQWYu+6h/xPIyQsZ0/eWRazNfshr8cXhD+LJ1SBBWS94Py… (844 chars)"
  }
}