drops.gene

{
  "name": "updtimeframe",
  "base": "",
  "fields": [
    {
      "name": "drop_id",
      "type": "int32"
    },
    {
      "name": "open",
      "type": "time_point"
    },
    {
      "name": "close",
      "type": "time_point"
    }
  ]
}