Transaction not yet indexed

21LAMhUhviZ7GCw974aqJKFdXpsXXZdgPrs7bdaUGHH3e3MecZhtVt7ztpETi3VRsuQBRxyNimQtnViyVxdKm2H8

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