Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG8AQVT/H4E9MSKHLub5NiDEbPsvSeVEEQK7YpSllnICiS8RJiOe6nF1GnH… (844 chars)"
  }
}