Transaction not yet indexed

Mumj2vaxbcBhJXYPPwwWRspftxfRAWvRdMr8nzJ1M5fwm6pZvdfxRdsQuQ5nXxfVGirk5fWX8eeaFy3swzoM4R5

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