Transaction not yet indexed

21Wrzf7DpsNBPD7XRPKp7UHn9MWPRzXbUULNN97bmNsCwmBstffe4E4g5HeSVKBPjrimsgbgnTW8hsezvZTMFfC2

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