How to generate an image from the 8x8 raw heat map data of an AMG8833 thermal sensor

General
7

Here it is:

{"R1":[27.25,27.25,27.25,27.75,27.75,27.75,27.25,28.25],"R2":[27.25,27,27.25,27.75,27.5,27.75,27.75,28.5],"R3":[27.75,28,27.25,27.5,27.75,27.5,29.25,30.5],"R4":[28,28,27.5,28.5,28.5,29,30,31.25],"R5":[28,28.25,28,29.5,29.5,29.25,29.75,30.75],"R6":[28.25,28,27.75,27.5,28,27.75,28.25,28.75],"R7":[28.5,27.5,28,28,27.25,27.5,28.25,28.75],"R8":[28,27.75,27.5,27.25,27.75,27.5,28.25,27.75]}