Transaction not yet indexed

21dc6ZKTg2tHfJwcnLaAeLce7FRLScvTGpdsNXseFjb1KDBxmh6hoYQZsaeToWiyur2fCGZAXH2UAFv6Xi4aiEot

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