Transaction not yet indexed

21p4n2SEi64UxbZEJBzucxU63otrH1DzPbmK7M4P7iEh6fnQbqAHXCpZFxCQjhcAGL3P6Sn1Z9iSqfvmmFhCQxx7

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