curl --request PATCH \
  --url https://api.example.com/{notificationId}/read

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "subscriberId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "type": "mention",
    "actorId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "actorType": "user",
    "subjectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "subjectType": "user",
    "locationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "locationType": "comment",
    "metadata": {
      "mention": {
        "mentionerName": "<string>",
        "snippet": "<string>",
        "entityType": "portfolio"
      },
      "add": {},
      "edit": {}
    },
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "actor": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "image": "<string>"
    },
    "readAt": "2023-11-07T05:31:56Z",
    "emailSentAt": "2023-11-07T05:31:56Z"
  }
}