{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "application_id": {
      "type": ["string", "null"],
      "description": "Application Key"
    },
    "hd_score_m1": {
      "type": ["number", "null"],
      "description": "HD Fraud Score M1"
    }
  }
}