Transaction not yet indexed

21ECB53knbUoUuWRsKLPkLCFSQZA5iBHBgY4MskaX325Yf92yqXPVbNpEZPZ73sDAaeYtT5teicoXCifRTCsmxXT

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