Transaction not yet indexed

21NBU3fNbXrvLfLUt92jAqq4fGgT8RQdb4ExZEsCcCy3t5rLbUx1oVUEQ8rLsMLxwecfxDbFReDNGvxJ68wxxCig

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