Transaction not yet indexed

MU4g2Eihx3GWmfV6SWLFWyTe2dyKRcTxigLHsyJSQLN6STqSBYbBn48xKEGHet2VdxE2FEKp1ZrkhQ8cSZyVJ5M

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