Transaction not yet indexed

HKhfzbfMPPyWAsxbZ4fkUr71x4vpB3Vf7ueUHe2oy7F6GY8piutaSAC8Zz9sQqDTySsdfRUe6A1TJPCUghi9Qy5

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