jrunPowChessM${"in":1,"ref":["2c764dd983b1904e11927d6a50fbf76499d1533e92d8154b621bd154392029f9_o1"],"out":["abd9b9bef2447e9786b8fe751fcc5e99e8158d5f7610e1845164d97a20cba27b"],"del":[],"cre":[],"exec":[{"op":"CALL","data":[{"$jig":0},"concatenateSan",[{"san":"8.O-O a5","updateTimestamp":1629831138432}]]}]}
https://whatsonchain.com/tx/fee2d514c355f701b9fd146977a4b1b9637f84305089f5dd0624bb3a43f78f3c