Transaction not yet indexed

M2ex4f9b1VXDjJ16PyyjwDwe4xYsBXon3xN9svxxPxaaa9egDbES4TnvYrV2a2a4o9b48ZGpoGkBbB2bDSFWpLS

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