[
	{
		"model": "material.MaterialPart",
		"pk": "1",
		"fields": {
			"name": "Seil 40m grün",
			"buy_date": "2016-01-01",
			"lifetime": "3",
			"quantity": "3"
		}
	},
	{
		"model": "material.MaterialPart",
		"pk": "2",
		"fields": {
			"name": "Seil 40m blau",
			"buy_date": "2012-01-01",
			"lifetime": "3",
			"quantity": "10"
		}
	},
	{
		"model": "material.MaterialPart",
		"pk": "3",
		"fields": {
			"name": "Seil 60m gelb",
			"buy_date": "2013-01-01",
			"lifetime": "3",
			"quantity": "5"
		}
	},
	{
		"model": "material.MaterialPart",
		"pk": "4",
		"fields": {
			"name": "Seil 60m blau",
			"buy_date": "2016-01-01",
			"lifetime": "3",
			"quantity": "2"
		}
	}
]