sample2.json

{
    "nodes": [

{
"node_name":"A",
"link_to": ["B","C"],
"attributes":[]
},
{
"node_name":"B",
"link_to": ["C","D"],
"attributes":[]
},
{
"node_name":"C",
"link_to": ["E","D"],
"attributes":[]
},
{
"node_name":"D",
"link_to": ["F","E"],
"attributes":[]
},
{
"node_name":"E",
"link_to": ["F"],
"attributes":[]
},
{
"node_name":"F",
"link_to": [],
"attributes":[]
},
    ]
}