Transaction not yet indexed

21Cg68sh7vZKVLvxRPwavtqqDGta6MBHeF7gwBcZLAgitJYqAYwoPm8rdBza1wPy4ay2h8yxATCQqoXuL1xgmosA

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