For privacy issue, i have remove the uri and btw i have checked that the Parse JSON content. It has the following author value.
{
"d": {
"__metadata": {
"id": "(has value)",
"uri": "/Items(50)",
"etag": "\"2\"",
"type": "SP.Data.Business"
},
"FirstUniqueAncestorSecurableObject": {
"__deferred": {
"uri": "https:///Items(50)/FirstUniqueAncestorSecurableObject"
}
},
"RoleAssignments": {
"__deferred": {
"uri": ""
}
},
"AttachmentFiles": {
"__deferred": {
"uri": ""
}
},
"ContentType": {
"__deferred": {
"uri": ""
}
},
"GetDlpPolicyTip": {
"__deferred": {
"uri": ""
}
},
"FieldValuesAsHtml": {
"__deferred": {
"uri": ""
}
},
"FieldValuesAsText": {
"__deferred": {
"uri": ""
}
},
"FieldValuesForEdit": {
"__deferred": {
"uri": ""
}
},
"File": {
"__deferred": {
"uri": ""
}
},
"Folder": {
"__deferred": {
"uri": ""
}
},
"LikedByInformation": {
"__deferred": {
"uri": ""
}
},
"ParentList": {
"__deferred": {
"uri": ""
}
},
"Properties": {
"__deferred": {
"uri": ""
}
},
"Versions": {
"__deferred": {
"uri": ""
}
},
"FileSystemObjectType": 0,
"Id": 50,
"ServerRedirectedEmbedUri": null,
"ServerRedirectedEmbedUrl": "",
"ContentTypeId": "",
"Title": "test2",
"ComplianceAssetId": null,
"Group": "group1",
"Division": "division1",
"Company": "company1",
"Category": "Minutes of Meeting",
"Content": "<div class=\"ExternalClass4340FC45B384498A92E2A418D2391159\"><p>test</p></div>",
"Status": "Created",
"Date": "2020-06-04T16:00:00Z",
"List_x0020_Created_x0020_By": "User1",
"List_x0020_Modified_x0020_By": "User1",
"List_x0020_Created": "6/23/2020 11:29 AM",
"List_x0020_Modified": "6/23/2020 11:32 AM",
"Author0": "User2",
"Readers": null,
"ID": 50,
"Modified": "2020-06-23T03:47:05Z",
"Created": "2020-06-23T03:36:20Z",
"AuthorId": 8,
"EditorId": 8,
"OData__UIVersionString": "1.0",
"Attachments": false,
"GUID": ""
}
}