Transaction not yet indexed

NKEsqwYLHB2jDPExbLjDPqkj83CAzesJ9kfYjVGoa5ZWi1NBnMaSNrjFfD1pXVVxXJsUWhJbFj6yr1qntASmMT8

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