Transaction not yet indexed

YMNykpm1EXPm9ysYua8coBijPMcPmfPs2nzyapE5GNaLBvwJVq3TxfRz4F3jj392Cw8bYb3S8eFFT1bPi7qCzi4

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