Transaction not yet indexed

MMpRSMNUZP8nBb3LmMkBdFiRQAwN2hQPVsHeAFik9dA6nYoDKreu3pc7hEhFBUBUS1TyeJnpZofveCdtdU7tGdG

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