Transaction not yet indexed

jX51a1CY87D47hpubvcX5WK8ZCrAb31qGtiH5vXob1FZ8Me2NpXCMgWbg7evpnGuTo5tBCNUPknjqZUB6iJgVce

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