Transaction not yet indexed

21D1ku444oRJ3Cpm1hfkXAVqvVQGyqXEP1cgLTZ5EVCPgdJZyxkA2mVM7uCGhK9NFPKp5hv1yj5SVJDoT1WvPop8

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