"replace", "path": "/user/name", "value": "Jane Roe"}, {"op": "add", "path": "/user/address", "value": "51 Street"}, {"op": "test", "path": "/user/id", "value": 23} ] let data = { "user": { "name": "John Doe", "id": 23 } } let data = { "user": { "name": "Jane Roe", "address": "51 Street", "id": 23 } }