Transaction not yet indexed

21K7DEmUuSdVq8anuEBMJf2xiFSjmMWacG64vg4Mi8nzUDGu1ukcsPi6sEvUqQXQDxT8FKuiCo8JB5jctQzM2UgQ

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