Transaction not yet indexed

21M518cAX9zVcuWKjppJRPyKzvRMkJsWHMU47SyxWSJknTfp3r9kL8cergiC72KhJtSXp7PTsxABtpmN1pyWxwL2

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