Transaction not yet indexed

iSTTUg5s6onmBPCtDkcuXUp1na2R1E31GYsi9RZ4FRtcbTCk5ojHVEeuKshrR3EFxBbDef9qFBWpu5CZEpAPZq2

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