message: Fixed iOS anoncreds interaction test
diff: outResponseJson:&revocRegEntryResponse];
  XCTAssertEqual(ret.code, Success, @"signAndSubmitRequestWithPoolHandle() failed!");
  NSDictionary *revocRegEntry = [NSDictionary fromString:revocRegEntryResponse];
  - NSNumber *entryTxnTime = revocRegEntry[@"result"]["txnMetadata"][@"txnTime"];
  + NSNumber *entryTxnTime = revocRegEntry[@"result"][@"txnMetadata"][@"txnTime"];
  // Prover gets revocation registry definition from ledger
  NSDictionary *credential = [NSDictionary fromString:credentialJson];
  