json_schema: {
      "$schema": "http://json-schema.org/draft-06/schema#",
      "title": "Referral Codes",
      "description": "A map of programs to referral codes.",
      "type": "object",
      "patternProperties": {
          "^[a-zA-Z0-9-]{1,64}$": {
              "type": "string",
              "title": "Referral Code",
              "description": "The referral code associated with the programId key"
          }
      },
      "additionalProperties": false
  }