curl --request POST \
  --url https://sandbox.tight.com/v6/accounting/manualJournalEntries \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": [
    {
      "id": "mje_12345",
      "status": "ACTIVE",
      "description": "Monthly accrual adjustment",
      "recurrence": {
        "updateType": "FUTURE_ONLY",
        "frequency": "MONTHLY",
        "interval": 1,
        "endDate": "2025-12-31"
      },
      "apiName": "MANUAL_ENTRY",
      "apiSourceId": "ext_abc123",
      "children": [
        {
          "glAccountId": "gla_38560327",
          "crAmount": 5000,
          "drAmount": 0
        }
      ],
      "customData": {
        "internal_key": "some_internal_key",
        "some_other_field": 23434
      }
    }
  ]
}
'

{
  "result": "SUCCESS",
  "data": [
    {
      "result": "SUCCESS",
      "statusCode": 200,
      "error": [
        {
          "type": "UNKNOWN_ERROR",
          "message": "<string>",
          "param": "<string>"
        }
      ]
    }
  ],
  "error": [
    {
      "type": "UNKNOWN_ERROR",
      "message": "<string>",
      "param": "<string>"
    }
  ]
}