Transaction not yet indexed

21LK5r3Z4xotWjPYAnPy7FmU52dNbuNFCgLSxdNWVgUr128WUbFx7Sa321mERPNDYRNkyA7PfPZvxGZVF3SeZ1CZ

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