Transaction not yet indexed

ACkfNdcs6F2b7v6qAG8B7DpkQcEnrfbNmCn2CXts8T7jCJ1G6mPf6XMwm58RbQUs8CJhTGXqPUoXAAcTxjHVDED

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