{
  "type": "object",
  "properties": {
    "@context": {
      "type": "string",
      "enum": [
        "https://vocabularies.xenzone.com/context.jsonld"
      ]
    },
    "@id": {
      "type": "string",
      "format": "uuid"
    },
    "@type": {
      "type": "string",
      "enum": [
        "Chat"
      ]
    },
    "status": {
      "type": "object",
      "properties": {
        "@id": {
          "type": "string",
          "enum": [
            "Active",
            "Archived",
            "Unassigned"
          ]
        },
        "@type": {
          "type": "string",
          "enum": [
            "ConversationStatus"
          ]
        }
      },
      "required": [
        "@id",
        "@type"
      ]
    },
    "timer": {
      "type": "object",
      "properties": {
        "startTime": {
          "type": "string",
          "format": "date-time"
        },
        "endTime": {
          "type": "string",
          "format": "date-time"
        }
      }
    },
    "participants": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "@id": {
            "type": "string",
            "format": "uuid"
          },
          "@type": {
            "type": "string",
            "enum": [
              "Worker",
              "ServiceUser"
            ]
          }
        },
        "required": [
          "@id",
          "@type"
        ]
      }
    },
    "moderators": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "@id": {
            "type": "string",
            "format": "uuid"
          },
          "@type": {
            "type": "string",
            "enum": [
              "Worker",
              "ServiceUser"
            ]
          }
        },
        "required": [
          "@id",
          "@type"
        ]
      }
    },
    "application": {
      "type": "object",
      "properties": {
        "@id": {
          "type": "string",
          "format": "uuid"
        },
        "@type": {
          "type": "string",
          "enum": [
            "Application"
          ]
        }
      },
      "required": [
        "@id",
        "@type"
      ]
    }
  },
  "required": [
    "@type",
    "participants",
    "moderators"
  ]
}