Transaction not yet indexed

521ADA9FuyMTa2oenXn6fFRBvCVYAS6aHM7krAxdrscSiP4EZNsCpnkCz74sWJkyDzJ4qUhZSXbtVizYk1GtHzGD

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