{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "name": {
      "type": "string"
    },
    "boundaryConcentrations": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "concentration": {
            "type": "number"
          }
        }
      },
      "minItems": 1
    }
  },
  "required": [
    "id",
    "name",
    "boundaryConcentrations"
  ]
}