Transaction not yet indexed

421SPAKKa75sDo8YnJzB8NnyQrxeStwZ4gNHH3TpkB565UgWKvU7qLSsbDB7XyqTc3EQ36pEbateAqVxscT6qDoS

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