code: function Signature(properties) {
                  if (properties)
                      for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                          if (properties[keys[i]] != null)
                              this[keys[i]] = properties[keys[i]];
              }
docs: Properties of a Signature.
  @memberof stratumn.chainscript
  @interface ISignature
  @property {string|null} [version] Signature version
  @property {string|null} [type] Signature type
  @property {string|null} [payloadPath] Signature payloadPath
  @property {Uint8Array|null} [publicKey] Signature publicKey
  @property {Uint8Array|null} [signature] Signature signature
   
  Constructs a new Signature.
  @memberof stratumn.chainscript
  @classdesc Represents a Signature.
  @implements ISignature
  @constructor
  @param {stratumn.chainscript.ISignature=} [properties] Properties to set