Transaction not yet indexed

2555EDtVrrQLQEpMiSCqehH7RKbTaRRMz8nS7LEdUu5KyA8r6q9RPK1HFTYDYVvNQT3zEANSrpT4cH8so6hhxma8

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