Transaction not yet indexed

MstU5jedVXVSqTAcXXrBd6DGVsy6jAvzDXJ4qwMubdAg74EjFTN773irDaEhBbRm8UouBf7aTkk9tPy2P2mrGNY

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