resp

gistfile1.json

parentItems = [
    { 
      name:     'Parent-1',
      modified: new Date().getTime(),
      childItems: [
        {
          name: 'P[1] Child-1',
          childItems: [
            { name: 'P[1] C[1] GrandChild-1'},
            { name: 'P[1] C[1] GrandChild-2'},
            { name: 'P[1] C[1] GrandChild-3'}
          ]
        },
        {
          name: 'P[1] Child-2',
          childItems: [
            { name: 'P[1] C[2] GrandChild-1'},
            { name: 'P[1] C[2] GrandChild-2'},
            { name: 'P[1] C[2] GrandChild-3'}
          ]
        }
      ]
    },
    { 
      name:     'Parent-2',
      modified: new Date().getTime(),
      childItems: [
        {
          name: 'P[2] Child-1',
          childItems: [
            { name: 'P[2] C[1] GrandChild-1'},
            { name: 'P[2] C[1] GrandChild-2'},
            { name: 'P[2] C[1] GrandChild-3'}
          ]
        },
        {
          name: 'P[2] Child-2',
          childItems: [
            { name: 'P[2] C[2] GrandChild-1'},
            { name: 'P[2] C[2] GrandChild-2'},
            { name: 'P[2] C[2] GrandChild-3'}
          ]
        }
      ]
    }
  ]