Transaction not yet indexed

1251UgFSdg5cgyY4WPp2h4c2jKwpynvAdLNXpnHm2vHQnXhtMREDkUDfRcveHVm2qxLzfNJNCZA9NPod59kUUhak

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.