Transaction not yet indexed

21Z4uCujtCAJvFSLnt5g83rLqU9zfjGQLohc1FnAojD1VD9WDwLGrXPtE4qHb8o5x4VZNCn5uGVZ8guTUTq7C155

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