Messaging
GET /api/messaging/?format=api
https://demo.peering-manager.net/api/messaging/contact-assignments/?format=api", "contact-roles": "https://demo.peering-manager.net/api/messaging/contact-roles/?format=api", "contacts": "https://demo.peering-manager.net/api/messaging/contacts/?format=api", "emails": "https://demo.peering-manager.net/api/messaging/emails/?format=api" }{ "contact-assignments": "