Transaction not yet indexed

21upfkYFeUEgtdDWHPQFEnqZxGfXHk5LAwVMkemydR2c9MubuYcHfnEsCfD8qkRXLk3Vdf7Hqh7abUCS5KfFPzGD

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