TodoEntryV2's Created task doesn't show up in SF or sets the subjectId

[former_member29021]

Sample payload used:

{
"__metadata": {
},
"todoEntryName": "To-do Item from SN",
"status": 2,
"categoryId": "57",
"dueDate": "/Date(1560034000000+0000)/",
"linkUrl": "http://irondome04.lab3.service-now.com:2017/esc?sysId=SNTodoUniqueIdentifier",
"userNav": {
"__metadata":
{
"uri": "User('sfapi2')"
}
}
}

Even if I set property "subjectId": "sfapi2", its not getting set. The pull of the same task has sujectId null. Also the task is not shown as a todo for the user "sfapi2". We are looking at the homepage / todos seciton, where other todos are displayed

NOTE: On the same create payload, if I set categoryId as 41, then I'm able to see the task in SF hompage / todos section.