Transaction not yet indexed

5u88Dfpf6pmPRtGuVp4faEq8fotYF6joXBUWE56mmHWhWWi5cQKKy1byvc1DfHctzgUodwtfDRPRvDUH1aMCofmS

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