hi how are you.i have done your work .
please check while chatting
your json have many issues are resolved
thanks and regards
[
{
"id": "parent1",
"type": "LOCATION",
"name": "Parent 1",
"parentContainer": "fff"
},
{
"id": "child1",
"type": "LOCATION",
"name": "Child 1",
"parentContainer": "parent1"}]
lke this and so on