Transaction not yet indexed

vkpmC5JSkPi9Y4Va8MNDfmLfj5GKRvruyfG2ZwyC2M2Ju16p5o7wSEd2JjTnBcc9uegMGjXGuB6oQDTqqQa5c16

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