Transaction not yet indexed

Mb4RM8jCs6Ku1BaXBU77W949BHN2LPrnCM1FNmXymcU3YEbhms4evLLkZ3ddRms1wX3pRTSmmH62CY6bDx5d9ak

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