{
  "$id": "http://example.com/example.json", 
  "type": "object", 
  "definitions": {},
  "$schema": "http://json-schema.org/draft-07/schema#", 
  "additionalProperties": false,
  "properties": {
    "@context": {
      "type": "string"
    },
    "@type": {
      "type": "string"
    },
    "reason": {
      "type": "string"
    }, 
    "emoji": {
      "type": "string"
    }
  }, 
  "required": [
    "@context", 
    "@type",
    "emoji"
  ]
}