Authorization: ********************curl --location --request GET '/api/admin/line_group//l2_node_link' \
--header 'Authorization: <api-key>'{
"code": 0,
"data": [
{
"area_id": 0,
"area_name": "string",
"l1_nodes": [
{
"area_id": 0,
"area_name": "string",
"node_id": 0,
"node_ip": "string",
"node_name": "string"
}
],
"node_id": 0,
"node_ip": "string",
"node_name": "string"
}
],
"message": "string"
}