Transaction not yet indexed

YKNNdwZQ2HbpRLmkxCfb9ZRkjAMunKd28Z6SQAdZdwTDpdmrCY9S5NTESRvzhSLu8VPuFfV5h8VqNRYWfb53hes

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