Transaction not yet indexed

21SifG9pFvw1ZG3KxnrQgwPBSUHSmZvCSncCfPkM9b8bbhdQDiDbuWmjxvaApAV33TCGWqfid3ZjPN1grSZ8ygCc

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