Need help with Integration to edit google sheets

I have created an integration s shown below:


I am able to run this integration when values are null however, it is giving the below error when I give any values:

sample request body with values:

"range": "Sheet1!A2:B2",
"majorDimension": "ROWS",
"values": {


The external system did not understand the request


The request was missing required details or was improperly formatted HTTP/1.1 400 Bad Request

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