Transaction not yet indexed

668WwfY9DCHMpcj2VcMw25J6GydZAj9ApdDXnGoKW2mw4B2zB7TPtk8j9tZWFYWitAW9qPwp5dKC37TBJbxfxzji

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