Transaction not yet indexed

621ZdRgQ19Q44Kuzq1Txqtg6MMGa32ftkYciCDdAfFZpgYTc7DyDCQd9nttH6jmLk9mGDXxPCKufCH52H31dXGLm

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