[{"what": "AMAP", "bill_type": "Expense", "amount": 50.0, "currency": "XXX", "date": "2022-10-01", "payer_name": "Amina", "payer_weight": 1.0, "owers": ["Amina", "Alice", "Georg"]}, {"what": "Beer !", "bill_type": "Expense", "amount": 20.0, "currency": "XXX", "date": "2022-10-01", "payer_name": "Alice", "payer_weight": 1.0, "owers": ["Amina", "Alice"]}, {"what": "Food shopping", "bill_type": "Expense", "amount": 200.0, "currency": "XXX", "date": "2022-10-01", "payer_name": "Georg", "payer_weight": 1.0, "owers": ["Amina", "Georg", "Alice"]}]