curl --location --request POST '/board/posts//comments' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"userId": 0,
"content": "string",
"parentCommentId": 0
}'
{
"commentId": 0,
"postId": 0,
"userId": 0,
"content": "string",
"createdAt": "2019-08-24T14:15:22Z",
"isDeleted": true,
"parentCommentId": 0
}