Transaction not yet indexed

21LTFCX4RqfUsyoLtSpvJ1FogkmjNJLnj2bZ4hkWL8qtpbVh9K6eT4UdKxssJArK8Bdh6pFM6mpjgbKLrtsYETuY

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