Transaction not yet indexed

21ExS3RK6GtFpvJnSnwa9egWzoAfmLm2xjGLWq6PyZEfE7EtYuHLaWt3K4D8MU89JbE4m9yxgYBq91fbRP7KjLG2

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