{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "SurfaceForm",
  "type": "object",
  "properties": {
    "string": {
      "type": "string",
      "description": "Form source"
    },
    "score": {
      "type": "string",
      "description": "Form score",
      "format": "float"
    },
    "offset": {
      "type": "number",
      "description": "Form offset",
      "format": "int"
    }
  }
}