Transaction not yet indexed

42MTM1DW4py4Ka1tNZTgfd45UXWyPVYN3Zf7WFCkZN6mB4oyW2SiKWckMRgNTsWcZQMon3sNf5vSSqtG9J8XPCM1

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