default mock data
{
"list": [
{
"label": "UK",
"children": [
{
"label": "Yorkshire",
"children": [
{
"label": "Leeds",
"children": [
{
"label": "Train station"
},
{
"label": "Town hall"
},
{
"label": "Headrow"
}
]
},
{
"label": "Bradford"
},
{
"label": "Hull"
}
]
}
]
},
{
"label": "USA",
"children": [
{
"label": "California",
"children": [
{
"label": "Los Angeles"
},
{
"label": "San Francisco"
},
{
"label": "Berkeley"
}
]
},
{
"label": "Nevada"
},
{
"label": "Oregon"
}
]
}
]
}