Transaction not yet indexed

MMm2ekEwyGiHt1GdCwAHEhdHGMcETqYQKY9MuxBs6V7Pxyjr5eYfLaFH8KKm5jwao5xNfe9KYU5XXXVLH1AcpuQ

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