Transaction not yet indexed

AdunS2VfXAkQgKw4FMrDLBaFXctQQcF2nt3oa5R5LxoddcxjJJyzPb2hSSFthQuj2zf5ZmhyJQDkxBmEUAW2Tei

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