Transaction not yet indexed

a88UKd2e4Hcaa9X3ZSj46vZrMouEssCfzu1iWonCr8QTx8xEcZgtUnpAaCz7R1LkRfTkXcTd7YZ6NHYtoCdV4Em

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