Transaction not yet indexed

M16dSnKJ5k6TWMgnmyP5yGo39njYY6mWWphfUD3NqirMnAPrRZYFjbcf95dF47zw2Qd2d2NmgTv3NFKcR7LjKoE

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