Unable to save data in FB Instant games

{“000kind”:“GDEVELOP_EventsAndInstructions_CLIPBOARD_KIND-jsBdHbLy912y8Rc”,“content”:{“eventsList”:[],“eventsCount”:0,“actionsList”:[{“type”:{“inverted”:false,“value”:“FacebookInstantGames::SavePlayerData”},“parameters”:["“score”","=","",“errorMessage”],“subInstructions”:[]}],“actionsCount”:1,“conditionsList”:[],“conditionsCount”:0}} i am doing this but the data is not being saved and not being loaded {“000kind”:“GDEVELOP_EventsAndInstructions_CLIPBOARD_KIND-jsBdHbLy912y8Rc”,“content”:{“eventsList”:[],“eventsCount”:0,“actionsList”:[{“type”:{“inverted”:false,“value”:“FacebookInstantGames::LoadPlayerData”},“parameters”:["“score”",“score”,“errorMessage”],“subInstructions”:[]}],“actionsCount”:1,“conditionsList”:[],“conditionsCount”:0}}