{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950380,-0.311092,0.000000,0.000000,0.173983,-0.531517,0.828987,0.000000,-0.257347,0.786192,0.561850,0.000000,-1643132.165765,5019744.526169,3563332.638201,1],    "boundingVolume": {    "region": [1.887089,0.596571,1.887187,0.596670,0.000000,8.608846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1328845.b3dm"}}}