Transaction not yet indexed

21Ai1wwNJMtBmRzqe1ByfVBQro7HctBh5sZmcpxgA4Ri6HN5KpqFkvg9gw1MdNsSy5UK3EWAz1FdaaeN3HiLZLC9

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