Transaction not yet indexed

Me1sfhFACtQPSm5gPiPtCLa5Vkr8fXn5Bbzna8mLnYAJFEb8Qgz5A3rGBFaxPRH9iGeEzXR7arhutD4NGH42xy5

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