Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHjUA1ln0jtBAHojQKr+o8yrz8Tm+m5g7WTNJ+wFp5AcWnPxLr7JQ5bUyzB… (844 chars)"
  }
}