Transaction not yet indexed

QLKwCMMLyi45a1Nbgv2A5Q3Dc17T34TMxJ5An5LBD8VvKCQJEJxZfDYgBvzPXr8xHjUbFHJaRT9W1dCW45H7P21

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