Transaction not yet indexed

21AddCDkkigR1rQAcMHzs6yXRWuWMrr1cFqQuycQNVAX99D4Z1QWLGjooXLcFcGEoFKm9M6JBFWCNDZSvSSsYQeK

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