curl --request PUT \
  --url https://api-dev.narrative.io/datasets/{dataset_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "description": "Mobile identifiers tied to birth information provided as part of app registration.",
  "name": "declared_age",
  "display_name": "Declared Age",
  "schema": {
    "file_config": {
      "type": "flat",
      "delimiter": ",",
      "escape": "\"",
      "header": true,
      "quote": "\""
    },
    "type": "object",
    "properties": {
      "idValue": {
        "approximate_cardinality": 100000,
        "description": "ID values",
        "type": "string"
      },
      "idType": {
        "approximate_cardinality": 1,
        "type": "string",
        "enum": [
          "md5_email",
          "sha256_email"
        ]
      },
      "eventTimestamp": {
        "description": "When the observation was collected",
        "type": "timestamptz",
        "validations": [
          "eventTimestamp < current_timestamp()"
        ]
      },
      "countryCode": {
        "approximate_cardinality": 6,
        "description": "The country of residence of the individual",
        "type": "string"
      },
      "age": {
        "approximate_cardinality": 90,
        "description": "How old this individual is in years",
        "type": "long"
      },
      "birthInfo": {
        "description": "The year this individual was born",
        "type": "double"
      }
    },
    "required": [
      "idValue",
      "idType",
      "eventTimestamp",
      "countryCode",
      "age"
    ],
    "primary": "/age"
  },
  "tags": [
    "age",
    "demo",
    "demographic",
    "demographics"
  ]
}
'

{
  "id": 18923,
  "company_id": 382,
  "created_at": "2021-06-24T00:54:40.029056Z",
  "description": "Mobile identifiers tied to birth information provided as part of app registration.",
  "name": "declared_age",
  "display_name": "Declared Age",
  "schema": {
    "file_config": {
      "type": "flat",
      "delimiter": ",",
      "escape": "\"",
      "header": true,
      "quote": "\""
    },
    "type": "object",
    "properties": {
      "idValue": {
        "display_name": "id value",
        "order": 0,
        "approximate_cardinality": 100000,
        "description": "ID values",
        "type": "string"
      },
      "idType": {
        "display_name": "id type",
        "order": 1,
        "approximate_cardinality": 1,
        "type": "string",
        "enum": [
          "md5_email",
          "sha256_email"
        ]
      },
      "eventTimestamp": {
        "display_name": "event timestamp",
        "order": 2,
        "description": "When the observation was collected",
        "type": "timestamptz",
        "validations": [
          "eventTimestamp < current_timestamp()"
        ]
      },
      "countryCode": {
        "display_name": "country code",
        "order": 3,
        "approximate_cardinality": 6,
        "description": "The country of residence of the individual",
        "type": "string"
      },
      "age": {
        "display_name": "age",
        "order": 4,
        "approximate_cardinality": 90,
        "description": "How old this individual is in years",
        "type": "long"
      },
      "birthInfo": {
        "display_name": "birth info",
        "order": 5,
        "description": "The year this individual was born",
        "type": "double"
      }
    },
    "required": [
      "idValue",
      "idType",
      "eventTimestamp",
      "countryCode",
      "age"
    ],
    "primary": "/age"
  },
  "status": "active",
  "tags": [
    "age",
    "demo",
    "demographic",
    "demographics"
  ],
  "updated_at": "2021-06-24T00:54:40.029056Z",
  "write_mode": "append",
  "subscription_id": "123e4567-e89b-12d3-a456-426614174000",
  "last_snapshot_created_at": "2023-06-09T16:51:34.215Z",
  "stats": {
    "est_total_dataset_stored_files": 10,
    "est_total_dataset_stored_records": 500059,
    "est_total_dataset_stored_bytes": 4206454,
    "active_dataset_stored_files": 10,
    "active_dataset_stored_records": 500059,
    "active_dataset_stored_bytes": 4206454,
    "last_snapshot_added_files": 2,
    "last_snapshot_added_records": 499999,
    "last_snapshot_deleted_records": 0,
    "last_snapshot_added_bytes": 4193500,
    "last_snapshot_deleted_files": 0,
    "last_snapshot_added_delete_files": 0,
    "last_snapshot_removed_delete_files": 0,
    "last_snapshot_removed_bytes": 0
  }
}