Transaction not yet indexed

AMqxGDtQQRdQdpfckAS4fWtGKQs8ZJCGr6fBKvvGa4oE9TbYzf2X9J9dWHzm9K3E8YbbrmK4m5SQWKhF91adRc8

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