{ "src": "c1", "dest": "n1", "body": { "type": "init", "node_id": "n0", "node_ids": ["n0", "n1"] }}

{ "src": "c1", "dest": "n1", "body": { "type": "echo", "msg_id": 1, "echo": "Please echo 1" }}



{ "src": "c1", "dest": "n1", "body": { "type": "echo1", "msg_id": 2, "echo": "Please echo 2" }}



{ "src": "c1", "dest": "n1", "body": { "type": "echo", "msg_id": 3, "echo": "Please echo 3" }}
{ "src": "c1", "dest": "n1", "body": { "type": "echo", "msg_id": 4, "echo": "Please echo 4" }}