Transaction not yet indexed

21TAtcE8wW9GmwGwmrPmDvjE5CSSf1oDacC5oiR2DGtnddxoukLgYgBwCLVPcR3XsV91Q2CF6f83w3nFsEWTFhn9

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