Transaction not yet indexed

Y55HbtRegSdp6msRTqGyBaZEkB1Mdh8wamJmMXbr39E9JpiW1HsjwHHsR8LcNUEdPkt3uTKNpSLpc742ffU6pAk

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