Transaction not yet indexed

GMc91wusQUZbfMjdSDxddBkSPHSbRDiLY7zop5QmiVB4GDoy4nfLGjqDSfKTjMuV1MK5fSyop5bWrMggWb6pknT

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