Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGQLuj/7/TrNv2tCV+F3ws1+T7uZY4ZhnoqhYLWDp4hzQT3W6pr5Q4cgVJS… (1,748 chars)"
  }
}