Transaction not yet indexed

MKTHSkADzisvcvXgPwrFfWSZReedaXQPQL8eezHJizzQDogPoMHQ12aUWLW2AEm9DPvi6FCUEhNHt9vn6N4bUSt

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