Transaction not yet indexed

21UNTbSPQWbUVpNAu4sHxcHp8AALPhpy8cpPyeSB9Awf1D4chxKVVqoA447UjCktMNp1J2vUxjv7HFyjKPJNQZeS

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