Get a DLP alert by id

{
    "allowlisted": true,
    "category": "Exfiltration",
    "employee_name": "Joe Smith",
    "id": "8CA67511-744C-4D74-B26E-7281CF88712F",
    "person_email": "alice@example.com",
    "policy_name": "Block external sharing of financial data",
    "risk_score": 9.2,
    "severity": "low",
    "source": "unspecified",
    "status": "resolved",
    "timestamp": "2021-01-01T00:00:00Z"
}