ptimasternod

{
  "name": "node_item",
  "base": "",
  "fields": [
    {
      "name": "key",
      "type": "uint64"
    },
    {
      "name": "owner",
      "type": "name"
    },
    {
      "name": "price",
      "type": "asset"
    },
    {
      "name": "active_from",
      "type": "uint32"
    },
    {
      "name": "active_to",
      "type": "uint32"
    }
  ]
}