Transaction not yet indexed

21TfxqCWLDvCQm5LPiddJa1Z37GcnoBLhMCdoPQ3ZWnekrJmxP69JVb9FULFXiFpckHMhJUzeZKtrMquvzH9ihN5

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