CanvasCBL API Simple Grades Response

{
  "simple_grades": {
    "@dtech - S1 - Hsieh": {
      "396": "N/A"
    },
    "Biology - S1 - Addicott": {
      "396": "A"
    },
    "Calculus - S1 - Groat": {
      "396": "A"
    },
    "Engineering - S1 - Brock": {
      "396": "A"
    },
    "English 3 - S1 - Groh": {
      "396": "B+"
    },
    "English 3 - S2 - Groh": {
      "396": "N/A"
    },
    "United States History - S1 - Gutierrez": {
      "396": "A"
    }
  }
}