Transaction not yet indexed

MEF2WRUuCmf5Hmf8BpCn94avYnqVhbbAkU2qxEmxEr17gCv5QvaEUt63RPPeNXV44KMr99dbwo8wWfGgAQGFf7G

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