Transaction not yet indexed

21Ak6fwX712uRea5n43DVaChhEEJ6j5gaJZUCcg1Ga9YhXdTP9BLYynugjXzts8xAjCS9KvxPbV49vsmgoM6MrAm

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