Transaction not yet indexed

Me4tMjMmf8DZ2Go1SZTVxMS8vcsV2WNmMvDQhSmBZvvhDDkPWBDvU1dd1v2MbWXw5eYu85y9VZdzZwA8R7mfaBq

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