Transaction not yet indexed

SKTfCmxppUNsXicdeqZKf132kJ6E2dPfDrffLSTP6AqvSWiBCVctgEK8kUKCGC55TdeTd7fryvzomQq5EJqJMav

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