Transaction not yet indexed

5b1LDTq1DKPc2bAYebm4k33zNBh2qssd1bSc6PDA2haC3AQNybLNRy1rmBdtzRmjgqjXZFwivAPMPdAYPjoCHMSS

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