Transaction not yet indexed

21ZKZjLVmJqAoMJAfnYiKKunkf7qGzWFPkd2VPuhUGWs33H5ThGSAn7C8ribF2npqVizFNMh1eDgcqWuQM9AKcAt

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