Transaction not yet indexed

MPmkMGUx6GWg154UdLhrAECjZcpm98bUbR1rR1GRjUR7hBiYnwiwRTGxR19MZgQXQJ1gdc3N3e4oGQJdZN3go1x

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