{
  "contexts": {
    "comment:student:$STUDENT_ID$": {
      "board": "r",
      "post": "crud",
      "reply": "crud"
    },
    "comment:book:$BOOK_ID$": {
      "board": "crudm",
      "post": "crudm",
      "reply": "crudm"
    }
  }
}