Transaction not yet indexed

21TXpiZBHpwsU5XJJZomhPZenpERCdQ7Jr91A21dHtMeRPLD3a2M3AsbEJ3YFyYeeZW4f6GBvkPnArmbH5CQMBKU

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