Transaction not yet indexed

PMtZEnrCKtrKAy98wdoYFZPBqSNYFpK7pWRCcFRn5z3db8Y6smhmsyHaVdL43KgDFZx8rVR4TvBkA7R5VTjktB3

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