Create split

curl --request POST \
  --url https://server26-dot-royalti-project.uc.r.appspot.com/split/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "asset": "d1c5b49e-95fa-4aed-930e-cf314c16a53d",
  "product": "b53230c5-2110-40ce-abe5-2112724ffb53",
  "type": "Publishing",
  "startDate": "2022-01-01",
  "endDate": "2022-01-31",
  "name": "Nigerian split train",
  "split": [
    {
      "user": "cf960b5a-37cd-484a-b461-0b191b09bed1",
      "share": 60
    },
    {
      "user": "4e39b347-7db0-417d-a5bc-3d8493c9ce19",
      "share": 40
    }
  ]
}'

{
  "id": "8a8f3ee8-8855-4749-9649-897f9e0e6c6b",
  "AssetId": "2e0d9f94-59eb-4ef8-adc6-9f3ddebf49fc",
  "ProductId": "76293a6e-6c0a-4842-84b5-6bffbe1ea538",
  "type": "Publishing",
  "startDate": "2022-01-01T00:00:00.000Z",
  "endDate": "2022-01-31T00:00:00.000Z",
  "name": "Nigerian split train",
  "contract": null,
  "ContractId": null,
  "conditions": null,
  "TenantId": 2
}