Transaction not yet indexed

421C7deSet8EeaUUCkL5fJxKNLSQCW97QeCbu1Zc6JWMDDDZi39ZK4kSYFXHdRFNHHw9tUpejxxPHWAeBdSj9z7p

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