Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEK5yjI85OYKSvlrfaSG1uSx4yzFuAw1Z3oGRTOYpgb8THuSSXk14eOM7KN… (1,748 chars)"
  }
}