Transaction not yet indexed

MrkUMSYKspRGMPjkb5quG5ztGRC5bcLhQWbP3aszaMSSBobkPA9ZMsd8wFsJtL535kz47DMA7KtSU9eGcGJEJyy

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