curl --request GET \
  --url https://api.stackone.com/unified/lms/assignments/{id} \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'x-account-id: <x-account-id>'

{
  "data": {
    "id": "123456",
    "remote_id": "8187e5da-dc77-475e-9949-af0f1fa4e4e3",
    "unified_custom_fields": {
      "my_project_custom_field_1": "REF-1236",
      "my_project_custom_field_2": "some other value"
    },
    "external_reference": "e3gd34-23tr21-er234-345er56",
    "learning_object_id": "e3gd34-23tr21-er234-345er56",
    "remote_learning_object_id": "e3cb55bf-aa84-466e-a6c1-b8302b257a49",
    "learning_object_external_reference": "learning-content-123",
    "progress": "40",
    "updated_at": "2021-07-21T14:00:00.000Z",
    "created_at": "2021-07-21T14:00:00.000Z",
    "due_date": "2021-07-21T14:00:00.000Z",
    "status": {
      "value": "in_progress",
      "source_value": "<string>"
    },
    "learning_object_type": {
      "value": "content",
      "source_value": "<string>"
    },
    "user_id": "c28xyrc55866bvuv",
    "remote_user_id": "e3cb75bf-aa84-466e-a6c1-b8322b257a48",
    "certificate_url": "https://example.com/certificate/12345",
    "result": {
      "value": "Pass",
      "source_value": "<string>"
    },
    "completed_at": "2021-07-21T14:00:00.000Z",
    "course_id": "16873-ENG-1",
    "remote_course_id": "e3cb75bf-aa84-466e-a6c1-b8322b257a48"
  },
  "raw": [
    {
      "method": "<string>",
      "url": "<string>",
      "body": "<string>",
      "response": {}
    }
  ]
}