eossanguoone

{
  "name": "mat",
  "base": "",
  "fields": [
    {
      "name": "owner",
      "type": "name"
    },
    {
      "name": "last_id",
      "type": "uint32"
    },
    {
      "name": "rows",
      "type": "matrow[]"
    }
  ]
}