Transaction not yet indexed

NXPMPnSCA9hqMnW9ffVMxsoiuA6X6vUWPqp6hbZ6DdmcMDS4pK52vkrNtaXUp968D18TbZEvoHPmm9dminF4ppL

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