Transaction not yet indexed

53b2RFzxnKTf9TgzbsFbrxStSTMjPvTVpLuSyTRcDBMKWJkkusZ2fH6g1bUXffBGcBRrhAsAUAeomsP5Wc1c8Nt2

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