curl -X POST https://api.sandbox.primer.io/dispute-opened \
     -H "X-API-KEY: <apiKey>" \
     -H "Content-Type: application/json" \
     -d '{}'

{
  "eventType":"DISPUTE.OPENED",
  "version":"2.1",
  "primerAccountId":"7fcd50f1-99f2-416e-8013-6ecd1c1285c3",
  "transactionId":"c3f662ad-d197-492e-b78b-63eefa64a31d",
  "orderId":"order-123",
  "processorId":"Adyen",
  "processorDisputeId":"adyen_ref_123",
  "paymentId":"ecb8d3bc-805d-4d97-826e-ef8d4cc3d2a2",
  "raw_processor_callback":{
      "example":{
        "raw_callback":"request",
        "from":"Adyen"
      }
  }
}