Transaction not yet indexed

ATtn8kf91h8tsmkg7hEYMDEhf7xfRcYhuS4U1fCwn2kLyfocyagVWqaZvurdcA9kdQk4LpiVCSLBMJL8Y6JB1PC

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