[
  "https://www.w3.org/ns/activitystreams",
  "https://w3id.org/security/v1",
  {
    "gs": "https://www.gnu.org/software/social/ns#"
  },
  {
    "litepub": "http://litepub.social/ns#"
  },
  {
    "chatMessage": "litepub:chatMessage"
  },
  {
    "inConversation": {
      "@id": "gs:inConversation",
      "@type": "@id"
    }
  }
]