Transaction not yet indexed

1X21EvMkVVQQ1wXRzXMNWxgo6AraRjRgKEDj5bMi4XDvbX7AmewUbcomsngyBNET6wKXsbaCFKYyQzARGz6u7LR

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