Invalid cast

[MrWolfPST]

call JsonConvert.DeserializeObject(RawResult) throw this exception: "Newtonsoft.Json.JsonReaderException: Input string '3.2' is not a valid integer. Path 'data[0].focal_ratio'"
Following a fragment of RawResult content
"camera_make": "SAMSUNG",
"camera_model": "SAMSUNG WB600 / VLUU WB600 / SAMSUNG WB610",
"focal_ratio": 3.2,
"focal_length": 3.9,
"exposure_numerator": 1,
"exposure_denominator": 30,