Transaction not yet indexed

21b7VbKfnSQRk79PUeMPbXpmnwFDGLa58JSvKJx4XNLCE4YRmhTkBPC9aoLDkpqWQWSiiYxQxvv7j76De4BhTn8A

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