Transaction not yet indexed

MmMkCyb9iigmcVYa7KxerpAvY71TKvFWyB7CQWKBhXHG5TX2YoMFCN7CAx4v1WbY9cBowEcBbJY6up32MSxpRSF

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