curl --request POST \
  --url https://api.example.com/api/Common/Referrals/Bulk \
  --header 'Content-Type: application/json' \
  --data '
{
  "referral": {
    "assignedTo": 123,
    "notes": "<string>",
    "date": "2023-11-07T05:31:56Z",
    "status": 123,
    "candidateID": 123,
    "clientID": 123,
    "contactID": 123,
    "placementID": 123,
    "jobID": 123,
    "opportunityID": 123,
    "activityID": 123,
    "activityTypeID": 123
  },
  "referTo": [
    123
  ]
}
'