Transaction not yet indexed

2C21RLXbJaubkaQ5Rtq6EHs7VuKwEfh2msVq5fk7TcUi3SJNzkHyAZX9mXaXHBi6eMoFpDGNf72w8yC6ytrrMwJ3

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