Помогите разобраться с JS

data = {
"Contract": {
"19654668": {
"DateIns": "2019-11-20",
"Amount": 53999,
"Dogovor": "54985115555",
"ProgramName": "Стол"
},
"14898668": {
"DateIns": "2020-10-05",
"Amount": 7345,
"Dogovor": "5498511553333",
"ProgramName": "Кресло"
},
"19652368": {
"DateIns": "2020-10-05",
"Amount": 9555,
"Dogovor": "549851155553232",
"ProgramName": "Стол"
},
"7774668": {
"DateIns": "2020-10-25",
"Amount": 9555,
"Dogovor": "549851155551232",
"ProgramName": "Стол и кресло"
}
},
"ref": "200822329841A8C7",
"date_creat": "2020-08-26",
}