How to drag and drop subrow?

[Maciej86]

When I drag and drop a child row, I drag and drop the parent row (always depth 0), regardless of the depth of the dragged row.
How to drag a child row on the same level, to an upper level, and to a lower level?

My Base
[ { "firstName": "Tanner", "lastName": "linsley", "age": 24, "visits": 100, "status": "In Relationship", "progress": 50, "subRows": [ { "firstName": "Kawa", "lastName": "kawa", "age": 60, "visits": 70, "status": "Kupione", "progress": 50 }, { "firstName": "Haerbata", "lastName": "herbata", "age": 160, "visits": 170, "status": "Kupione", "progress": 150, "subRows": [ { "firstName": "Lipton", "lastName": "lipton", "age": 1, "visits": 1, "status": "Kupione", "progress": 1 }, { "firstName": "Saga", "lastName": "saga", "age": 2, "visits": 2, "status": "Brak!", "progress": 2 } ] }, { "firstName": "Cukier", "lastName": "cukier", "age": 40, "visits": 33, "status": "Kupione", "progress": 22 } ] }, { "firstName": "Tandy", "lastName": "Miller", "age": 40, "visits": 40, "status": "Single", "progress": 80 }, { "firstName": "Joe", "lastName": "Dirte", "age": 45, "visits": 20, "status": "Complicated", "progress": 10 } ]