{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "memo",
  "description": "Memo objects represent arbitrary data that can be included in a transaction",
  "type": "object",
  "properties": {
    "type": {
      "pattern": "^[A-Za-z0-9\\-._~:/?#[\\]@!$&'()*+,;=%]*$",
      "description": "Conventionally, a unique relation (according to [RFC 5988](http://tools.ietf.org/html/rfc5988#section-4)) that defines the format of this memo. Only characters allowed in URLs are permitted."
    },
    "format": {
      "pattern": "^[A-Za-z0-9\\-._~:/?#[\\]@!$&'()*+,;=%]*$",
      "description": "Conventionally containing information on how the memo is encoded, for example as a [MIME type](http://www.iana.org/assignments/media-types/media-types.xhtml). Only characters allowed in URLs are permitted."
    },
    "data": {
      "type": "string",
      "description": "Arbitrary string, conventionally containing the content of the memo."
    }
  },
  "additionalProperties": false,
  "anyOf": [
    {"required": ["data"]},
    {"required": ["type"]}
  ]
}