Transaction not yet indexed

4Nb21YA4feNHLXGww1EYUHYjH5krhgFiCRbroGW17uFzHnhW2qwpGd1kQb3fjyLGz7mk7xz5pBkGcNCdUNbqKht6

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