{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "CurrenyAmountEntity",
  "type": "object",
  "properties": {
    "currency": {
      "type": "string"
    },
    "amount": {
      "type": "number",
      "nullable": true
    }
  },
  "required": [
    "currency"
  ]
}