Transaction not yet indexed

421kTbKB4En9Bm8pdtSQWNy1eztSg11JhtXG8rbbeF4eVDqDkfaXRoCZvrTsLV2x1GPfFRwz8HHGBx6V4tf1EVcT

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