Transaction not yet indexed

Tgp88PAZfnjeZEpGnpREQrLGJCvKsRMMtCmHctYStJoZepvKytXM5Fi3jgAjAnZmq2aYAUt64umyR1EHGLAtPbP

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