Transaction not yet indexed

21ctt7YMzPyJXPmsXQEeeUx3DQyRuyHPp2mxq3F5HNyjVrM8oj4CwYeBdRM9YYsG4AbxMuRYTrbTKimoZQkE4upo

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