#Input
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "title": "message_created",
  "required": [
    "event_type",
    "conversation_id",
    "timestamp",
    "payload"
  ],
  "properties": {
    "event_type": {
      "type": "string",
      "title": "Event Type"
    },
    "conversation_id": {
      "type": "string",
      "title": "Conversation Id"
    },
    "timestamp": {
      "type": "string",
      "title": "Timestamp"
    },
    "payload": {
      "type": "object",
      "title": "The Payload",
      "required": [
        "id",
        "content",
        "created_at",
        "author"
      ],
      "properties": {
        "id": {
          "type": "string",
          "title": "Id"
        },
        "content": {
          "type": "string",
          "title": "Content"
        },
        "created_at": {
          "type": "string",
          "title": "Created at"
        },
        "author": {
          "type": "object",
          "title": "The Payload",
          "required": [
            "name",
            "type"
          ],
          "properties": {
            "name": {
              "type": "string",
              "title": "Name"
            },
            "type": {
              "type": "string",
              "title": "Type"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}

#Output
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "title": "message_created",
  "required": [
    "event_type",
    "conversation_id",
    "timestamp",
    "payload"
  ],
  "properties": {
    "event_type": {
      "type": "string",
      "title": "Event Type"
    },
    "conversation_id": {
      "type": "string",
      "title": "Conversation Id"
    },
    "timestamp": {
      "type": "string",
      "title": "Timestamp"
    },
    "payload": {
      "type": "object",
      "title": "The Payload",
      "required": [
        "id",
        "content",
        "created_at",
        "author"
      ],
      "properties": {
        "id": {
          "type": "string",
          "title": "Id"
        },
        "content": {
          "type": "string",
          "title": "Content"
        },
        "created_at": {
          "type": "string",
          "title": "Created at"
        },
        "author": {
          "type": "object",
          "title": "The Payload",
          "required": [
            "name",
            "type"
          ],
          "properties": {
            "name": {
              "type": "string",
              "title": "Name"
            },
            "type": {
              "type": "string",
              "title": "Type"
            }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}