Transaction not yet indexed

1256uqBfRMumuu4pMRFEfJ4tMWDy518fVaHpyPrPXssG97JtBcRGLTYYUTbeBN8g2LM2oVsfhdnGZemrD9aQhY77

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