Transaction not yet indexed

Why6TASiqYVwwhwwCcDQNewMNJr79X4BHKfuMU4GDh7WHRb1LJcEBPAX1vFk6VE7vLUSquN7SfbMBwrk5HSt9yr

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