This will be a POST request sent to /api/cards/{cardId}/comments with a payload similar to the following:
{
"comment": "This is a test comment."
}
The response of the API will be similar to the following when it succeeds:
{
"id": 1,
"detail": "{"comment":"This is a test comment."}",
"type": "add-comment",
"userId": 1,
"cardId": 4,
"boardId": 1,
"createdDate": 1538239135000
}