{
  "fields": [
    {
      "name": "day",
      "type": "date",
      "title": "DAY",
      "format": "%d/%m/%Y"
    },
    {
      "name": "significance",
      "type": "string",
      "title": "SIGNIFICANCE"
    }
  ],
  "missingValues": [
    ""
  ],
  "primaryKey": [
    "day",
    "significance"
  ]
}