Create a new engagement news article

curl --request POST \
  --url https://api.gleap.io/v3/engagement/news \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'project: <project>' \
  --data '"<any>"'

{
  "emailTemplate": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "sourceOutbound": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "trigger": "<any>",
  "pageFilterDelay": 123,
  "pageFilter": "<string>",
  "eventTriggerDelay": 123,
  "eventTrigger": "<string>",
  "actionType": "<string>",
  "sentAt": "2023-11-07T05:31:56Z",
  "stats": "<any>",
  "subject": "<any>",
  "coverImageUrl": "<string>",
  "sender": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "project": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "data": "<any>",
  "config": "<any>",
  "message": "<any>",
  "aiSummaryOutdated": true,
  "aiSummary": "<string>",
  "organisation": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "createdBy": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "pageFilterType": "is",
  "frequencyDays": 123,
  "frequency": "<string>",
  "frequencyType": "<string>",
  "format": "<string>",
  "sent": true,
  "sound": true,
  "newTrigger": true,
  "hidden": true,
  "status": "<string>",
  "updatedAt": "2023-11-07T05:31:56Z",
  "conditions": [
    "<any>"
  ],
  "targetAudience": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "name": "<string>",
  "type": "<string>"
}