Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBsYne0hNmwY2ig3ZYQ0kPBKQ52fA8D8WT0uk+5HcsEbEuiozpGw+73ZktJ… (1,748 chars)"
  }
}