testdever123

{
  "name": "flycards",
  "base": "",
  "fields": [
    {
      "name": "vid",
      "type": "string"
    },
    {
      "name": "shoe_no",
      "type": "uint32"
    },
    {
      "name": "req_id",
      "type": "uint64"
    },
    {
      "name": "last_req_id",
      "type": "uint64"
    }
  ]
}