curl --request POST \
  --url https://api.example.com/api/Activities \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 123,
  "parentID": 123,
  "altId": "<string>",
  "typeID": 123,
  "type": "<string>",
  "category": 123,
  "createdByID": 123,
  "createdByName": "<string>",
  "lastUpdatedByID": 123,
  "updatedByName": "<string>",
  "assignedToID": 123,
  "assignedToName": "<string>",
  "notes": "<string>",
  "activityDate": "2023-11-07T05:31:56Z",
  "activityEndDate": "2023-11-07T05:31:56Z",
  "dateCreated": "2023-11-07T05:31:56Z",
  "lastUpdatedDate": "2023-11-07T05:31:56Z",
  "clientName": "<string>",
  "contactName": "<string>",
  "candidateName": "<string>",
  "contactID": 123,
  "clientID": 123,
  "candidateID": 123,
  "jobID": 123,
  "jobTitle": "<string>",
  "statusID": 123,
  "statusName": "<string>",
  "opportunityID": 123,
  "opportunityName": "<string>",
  "entityId": 123,
  "placementID": 123,
  "duration": 123,
  "associatedData": "<string>",
  "documentID": 123,
  "linkedCandidates": [
    123
  ],
  "linkedContacts": [
    123
  ],
  "linkedClients": [
    123
  ],
  "linkedJobIds": [
    123
  ],
  "linkedOpportunities": [
    123
  ],
  "linkedPlacements": [
    123
  ]
}
'