Transaction not yet indexed

MfkDE1meRcAb6AUF96njfnJgfrwaaAKt1TNPb9cz3biR9VRnTKKSkQKAFGXqPKG1TeGPv3TKsK3AuphBo9ndvWM

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