Validates a payment batch

curl --request GET \
  --url https://api.equalsmoney.com/v2/payment-batches/{paymentBatchId}/validate \
  --header 'Authorization: <api-key>'

{
  "isValid": true,
  "paymentBatchStatus": {
    "isValid": true,
    "issues": [
      {
        "code": "string",
        "message": "string",
        "data": {
          "status": "draft"
        }
      }
    ]
  },
  "ordersBalances": {
    "isValid": true,
    "issues": [
      {
        "code": "string",
        "message": "string",
        "data": {
          "orderId": "string",
          "budgetId": "775596ae-2624-40af-a9dc-9756110a4a03",
          "currencyCode": "USD",
          "availableBalance": "string"
        }
      }
    ]
  }
}