message: use expiresAt parameters
diff: @@ -25,7 +25,7 @@ export function makeAuthRequest(privateKey,
  let payload = {
  jti: makeUUID4(),
  iat: new Date().getTime(),
  - exp: nextHour().getTime(),
  + exp: expiresAt.getTime(),
  iss: null,
  publicKeys: [],
  appManifest: appManifest,
  @@ -60,7 +60,7 @@ export function makeAuthResponse(privateKey,
  const payload = {
  jti: makeUUID4(),
  iat: new Date().getTime(),
  - exp: nextMonth().getTime(),
  + exp: expiresAt.getTime(),
  iss: makeDIDFromAddress(address),
  publicKeys: [publicKey],
  profile: profile,
  