message: pass through appPrivateKey
diff: @@ -58,7 +58,7 @@ export function makeAuthRequest(privateKey, domain_name, manifestURI=null,
  }
  export function makeAuthResponse(privateKey, profile={}, username=null,
  - coreToken=null,
  + coreToken=null, appPrivateKey=null,
  expiresAt=nextMonth().getTime()) {
  /* Convert the private key to a public key to an issuer */
  @@ -71,7 +71,7 @@ export function makeAuthResponse(privateKey, profile={}, username=null,
  iat: Math.floor(new Date().getTime()/1000), // JWT times are in seconds
  exp: Math.floor(expiresAt/1000), // JWT times are in seconds
  iss: makeDIDFromAddress(address),
  - public_keys: [publicKey],
  + private_key: appPrivateKey,
  profile: profile,
  username: username,
  core_token: coreToken
  