Transaction not yet indexed

a88UU5sBbMmDUzED2k1e1B4m6txb2opd3qaNRmMsmWmcbCqr6FQ3U3g892XPHo7y3mhG5v6NcH2cb7AKVUViQk5

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