Transaction not yet indexed

5K21ifMfh2PNzfz57JDoHDfVaNmR58MXqEP2xxC9FkiHvDxS94Hp43RSaZKW18oMyQi8pro8MAj3CECxawJQ7rAT

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