Transaction not yet indexed

21f6hEQ87j31WK956Hz15Y3cGH8R3zoiVo73w7wSHd1VRqwuLPdqcjYekPrVFNAJUzo9L63WeTMtHvKvAqep6d3s

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