Transaction not yet indexed

21HKGvchM6isffhUWDin5py72TUYwDJGNFBhAYFQksTWAxtZawbHxtqZsJQXeWZkRcxRmqHsR12cApxvPzm5jvuu

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