scitran/core

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "_id":              {"type": "string"},
    "created":          {},
    "modified":         {},
    "user":             {"type": "string"},
    "text":             {"type": "string"}
  },
  "required": ["_id", "user", "created", "modified", "text"],
  "additionalProperties": false
}