Transaction not yet indexed

668SwycnEr4dRGWPt96TJUfnNd2GLB9pQUAWDHU8VLZCkJEx5rDLQVR3fjG1xYMJbwBh1qpQ4ZRLeaWfDr9iPWpN

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