Transaction not yet indexed

Mb3keDCYmYRKoP9f9toLvNk1zTLcK5sChycET85Agz8GEG6nGTbQGvFdbuDo6eaCTuVFDE2UQM2U5MuCcsrgERS

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