Transaction not yet indexed

MEhPNppSdBhwYPakY7rjnscGDDSBdkY5Y37pLfpSaZV8Eta2ZdnhxV5uN1gXZwmcbJsEpLWXRsZuv6Ky1c12yvQ

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