{
  "$schema": "https://json-structure.org/draft/2020-12/schema",
  "name": "Activity",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer"
    },
    "action": {
      "type": "string"
    },
    "change": {
      "type": "integer"
    },
    "date": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "link": {
      "type": "string"
    },
    "streams": {
      "type": "array"
    },
    "target": {
      "type": "string"
    },
    "topic": {
      "type": "string"
    },
    "type": {
      "type": "string"
    },
    "user": {
      "type": "string"
    }
  }
}