Transaction not yet indexed

21NtvGbzCwkgexT3fVaQj41RTtzSvWeiKmD4ynVgzznxLUAEpyEfKSWTxUuxAH8CCUoDnsYiKH6dTD3SZ2Ef9fS8

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