Transaction not yet indexed

21THUD5FKUhynfk6Jdh9Ad6QtXvD6j43PFFLvK3iNav4dHuw9JwHR3Ej2kQLwc6dVZR6PFWrZYCaqPVaQmb5EkE8

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