py-libp2p/examples/sharding/topologies/simple_1_tree.json

{
	"topology": {
        "sender": [0],
        "0": [1, 2],
        "1": [3, 4],
        "2": [5, 6]
    },
    "topic_map": {
    	"1": [0, 1, 2, 3, 4, 5, 6]
    }
}