Transaction not yet indexed

Cou2xqnKGj9unPViQFw5MB3NcmdUPGTtCMvx6SWVmyHtx1gL6ZUd8b9i1KDJHKaSttTWgHHmtdMoZzQCSnr4ESX

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