Transaction not yet indexed

WM21mBdrC4LePVC3ZzZCziqp2pJRAnCv34YtU5cf7q1iwrjYrLuy6n59jcFfusgEmRL1LaLSgCBdD8UHEJyrmNJ

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