Transaction not yet indexed

21SYZKVC7PcKLpyVcRXpWsS8UDJZPrgfYkmtjhNGAEr6zWW1AQRveLnaeA9TANoUpRBSvdb6jL9wY2TP4JcJsZqj

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