Transaction not yet indexed

388FhZDySMnrsQRTmtPooDAs63EBHrJLWL7pytEjo5oLiAtAMrvzfBPFbnPwdm3KZw8aDPWCfFvR4LjXiDR8Qpz2

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