django-admin-sortable/sample_project/app/fixtures/initial_data.json

[
    {
        "pk": 1,
        "model": "app.category",
        "fields": {
            "order": 1,
            "title": "Test 1"
        }
    },
    {
        "pk": 2,
        "model": "app.category",
        "fields": {
            "order": 2,
            "title": "Test 2"
        }
    },
    {
        "pk": 3,
        "model": "app.category",
        "fields": {
            "order": 3,
            "title": "Test 3"
        }
    },
    {
        "pk": 1,
        "model": "app.project",
        "fields": {
            "category": 1,
            "description": "Test",
            "order": 1,
            "title": "Test Project 1"
        }
    },
    {
        "pk": 2,
        "model": "app.project",
        "fields": {
            "category": 1,
            "description": "Test",
            "order": 2,
            "title": "Test Project 2"
        }
    },
    {
        "pk": 3,
        "model": "app.project",
        "fields": {
            "category": 2,
            "description": "Test",
            "order": 3,
            "title": "Test Project 3"
        }
    }
]