playuplandme

{
  "name": "Collection",
  "base": "",
  "fields": [
    {
      "name": "id",
      "type": "uint64"
    },
    {
      "name": "transaction",
      "type": "checksum256"
    },
    {
      "name": "data",
      "type": "string"
    }
  ]
}