{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "render job id"
    },
    "status": {
      "enum": ["unknown", "pending", "running", "done", "failed", "aborted"],
      "description": "status of the job"
    },
    "info": {
      "type": "string",
      "description": "single line description"
    },
    "additional_info": {
      "type": "string",
      "description": "additional information, can be multi line"
    },
    "progress": {
      "type": "number",
      "description": "0 .. 1 for computable progress, -1 for non-computable progress"
    }
  }
}