Transaction not yet indexed

21a3h5CbZbaRS13iuKng8fFjVuDpf5EEfC34P7cCb21E3TbBuuGVgZMsjKGv5qZQFxi5zfbaoadQQaGY5qyRHpG8

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