public class Status
{
    public string Content {get; set;}
    public string Publisher {get; set;}
    public List<string> Tags {get; set;}
}

{
    "content":"this is my baby dog",
    "publisher":"someone"
    "tags":[ "tag1", "tag2" ]
}

[HttpPost]
public IActionResult Publish([FromBody] Status status)
{
    // status should be deserialized now
}

{
    "content":"this is my baby dog",
    "publisher":"someone",
    "tags":[ "tag1", "tag2" ]
}

{
    "content":"this is my baby dog",
    "publisher":"someone",
   "tags":[ {"tag1":"tag1"}, {"tag2":"tag2"}  ]
}