Transaction not yet indexed

21UrKiYJ78M1pNpNtPF5zmuRpxFBi5fgrmh7Bpak7QC3LHg6vpzC6qqjde3ZB3CeCKrm1nK3ApQdKvXAkZtGVzL7

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