Transaction not yet indexed

5Us21rGqdF19wS48uzJn8GwuepdiDVjkmN31KuHnWqjkePXTLuujSyva7d7bF8q7bEQY4Ch6mQ8AH8wzqESDcJVp

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