Transaction not yet indexed

621UgNk2U8cUj3wjRcjC4Q5HwpiFunb7Tht51sdKirA9PZXMLHGo3p3TBbBmwHpNDaQaoqB34cDfJvSrQJhUxWkt

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