Transaction not yet indexed

668PCkuGhDrmKV9dX4PXf6h4VsJpj5j9YcPekVTTbHk6C5xENrdXV94x3DGkixuS7khZytiQKWMNcAemyP8JquwD

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