/edges handler's response body. The peer is{
"created": "2019-08-24T14:15:22.123Z",
"direction": "outgoing",
"edge_id": "b311b798-212e-414c-ba53-c572923101d4",
"edge_kind": "express",
"label": "string",
"peer_id": "118d4485-cd94-4ecd-b71e-80f79647bc58",
"peer_slug": "string",
"peer_table": "string",
"peer_title": "string",
"polarity": "forward",
"weight": 0
}