Create Content

{
    "data": {
        "id": "FID001",
        "type": "Content",
        "attributes": {
            "createdAt": "string",
            "updatedAt": "string",
            "title": "string",
            "attr": {
                "property1": "string",
                "property2": "string"
            },
            "description": "string",
            "shortDescription": "string",
            "type": "audio",
            "attachmentMimeType": "string",
            "isLibraryItem": true
        },
        "relationships": {
            "owner": {
                "data": {
                    "id": "FID001",
                    "type": "User"
                }
            },
            "subPortal": {
                "data": {
                    "id": "FID001",
                    "type": "SubPortal"
                }
            },
            "attachment": {
                "data": {
                    "id": "FID001",
                    "type": "File"
                }
            },
            "embedData": {
                "data": {
                    "id": "FID001",
                    "type": "ContentEmbedDatum"
                }
            },
            "collaboratingUsers": {
                "data": [
                    {
                        "id": "FID001",
                        "type": "User"
                    }
                ]
            },
            "collaboratingUserGroups": {
                "data": [
                    {
                        "id": "FID001",
                        "type": "UserGroup"
                    }
                ]
            }
        }
    }
}