{
  "@context": {
    "@version": 1.1,
    "signal": "https://signal.org/ns/",
    "schema": "https://schema.org/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "dcterms": "http://purl.org/dc/terms/",
    "sec": "https://w3id.org/security#",

    "Account": {
      "@id": "signal:Account",
      "@context": {
        "uuid": {
          "@id": "schema:identifier",
          "@type": "xsd:string"
        },
        "number": {
          "@id": "schema:telephone",
          "@type": "xsd:string"
        },
        "pni": {
          "@id": "signal:phoneNumberIdentity",
          "@type": "xsd:string"
        },
        "usernameHash": {
          "@id": "signal:usernameHash",
          "@type": "xsd:string"
        },
        "identityKey": {
          "@id": "sec:publicKey",
          "@type": "xsd:string"
        },
        "devices": {
          "@id": "signal:devices",
          "@container": "@set"
        },
        "dateCreated": {
          "@id": "dcterms:created",
          "@type": "xsd:dateTime"
        }
      }
    },

    "Device": {
      "@id": "signal:Device",
      "@context": {
        "deviceId": {
          "@id": "schema:identifier",
          "@type": "xsd:integer"
        },
        "name": {
          "@id": "schema:name",
          "@type": "xsd:string"
        },
        "lastSeen": {
          "@id": "signal:lastSeen",
          "@type": "xsd:dateTime"
        },
        "created": {
          "@id": "dcterms:created",
          "@type": "xsd:dateTime"
        },
        "platform": {
          "@id": "schema:operatingSystem",
          "@type": "xsd:string"
        }
      }
    },

    "Message": {
      "@id": "signal:Message",
      "@context": {
        "type": {
          "@id": "signal:envelopeType",
          "@type": "xsd:integer"
        },
        "sender": {
          "@id": "schema:sender",
          "@type": "@id"
        },
        "recipient": {
          "@id": "schema:recipient",
          "@type": "@id"
        },
        "timestamp": {
          "@id": "dcterms:created",
          "@type": "xsd:dateTime"
        },
        "serverTimestamp": {
          "@id": "signal:serverTimestamp",
          "@type": "xsd:dateTime"
        },
        "content": {
          "@id": "schema:text",
          "@type": "xsd:string"
        },
        "urgent": {
          "@id": "signal:urgent",
          "@type": "xsd:boolean"
        }
      }
    },

    "IdentityKey": {
      "@id": "signal:IdentityKey",
      "@context": {
        "publicKey": {
          "@id": "sec:publicKeyBase64",
          "@type": "xsd:string"
        },
        "fingerprint": {
          "@id": "signal:fingerprint",
          "@type": "xsd:string"
        }
      }
    },

    "PreKey": {
      "@id": "signal:PreKey",
      "@context": {
        "keyId": {
          "@id": "schema:identifier",
          "@type": "xsd:integer"
        },
        "publicKey": {
          "@id": "sec:publicKeyBase64",
          "@type": "xsd:string"
        }
      }
    },

    "SignedPreKey": {
      "@id": "signal:SignedPreKey",
      "@context": {
        "keyId": {
          "@id": "schema:identifier",
          "@type": "xsd:integer"
        },
        "publicKey": {
          "@id": "sec:publicKeyBase64",
          "@type": "xsd:string"
        },
        "signature": {
          "@id": "sec:signature",
          "@type": "xsd:string"
        }
      }
    },

    "KyberPreKey": {
      "@id": "signal:KyberPreKey",
      "@context": {
        "keyId": {
          "@id": "schema:identifier",
          "@type": "xsd:integer"
        },
        "publicKey": {
          "@id": "sec:publicKeyBase64",
          "@type": "xsd:string"
        },
        "signature": {
          "@id": "sec:signature",
          "@type": "xsd:string"
        }
      }
    },

    "Group": {
      "@id": "signal:Group",
      "@context": {
        "groupId": {
          "@id": "schema:identifier",
          "@type": "xsd:string"
        },
        "title": {
          "@id": "schema:name",
          "@type": "xsd:string"
        },
        "avatar": {
          "@id": "schema:image",
          "@type": "@id"
        },
        "members": {
          "@id": "schema:member",
          "@container": "@set"
        },
        "revision": {
          "@id": "schema:version",
          "@type": "xsd:integer"
        }
      }
    },

    "Profile": {
      "@id": "signal:Profile",
      "@context": {
        "name": {
          "@id": "schema:name",
          "@type": "xsd:string"
        },
        "about": {
          "@id": "schema:description",
          "@type": "xsd:string"
        },
        "avatar": {
          "@id": "schema:image",
          "@type": "@id"
        },
        "paymentAddress": {
          "@id": "signal:paymentAddress",
          "@type": "xsd:string"
        }
      }
    },

    "Protocol": {
      "@id": "signal:Protocol",
      "@context": {
        "name": {
          "@id": "schema:name",
          "@type": "xsd:string"
        },
        "description": {
          "@id": "schema:description",
          "@type": "xsd:string"
        },
        "specificationUrl": {
          "@id": "schema:url",
          "@type": "@id"
        },
        "version": {
          "@id": "schema:version",
          "@type": "xsd:string"
        }
      }
    }
  }
}