Transaction not yet indexed

MNGoEhEQaMecp4WiBS7jmaK4timAdXwM7Wr9fpkdNwQkYvm3M4x61Gti8qfw6EVjUDLK6oou6kcFq5e57nnm8pS

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