Transaction not yet indexed

5Us99SXQuEyeJWAj3YNgiUnFUp1Pb9BENgSEC4W6M5qtQudmcDF6CFdGYGrWNMyxYaybnNGAXEmqFuHuegZb8Zzb

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