Transaction not yet indexed

21XUgeWshYAaK7hb8DGydoi6uBu8uPNhE17b2Zera6E4ZcdjJ42n4gucrfAyusDo9RFr8pmNs2t8HZASJ9EbVGu6

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