Transaction not yet indexed

MStUFXnLgPRHKzqofVCGxebsSq25pTShjhkdXyKMZ7txbmzrnKnCr1NhtzFh98HcaTWSxCmKTrLEcTGgVhfzCWZ

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