Transaction not yet indexed

21Sa4HqWYQKyLDNavCTwWVPzKBdpe9mTxuW5eZdRdBYbh9UsRSb1FLuSiLEiHChCJDiP2GSpKvQViiUDfvQK9hBe

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