{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898483,-0.439009,0.000000,0.000000,0.283927,-0.581089,0.762707,0.000000,-0.333892,0.683349,0.649269,0.000000,-2132620.506051,4364653.784848,4119223.580487,1],    "boundingVolume": {    "region": [2.025241,0.706586,2.025342,0.706661,0.000000,52.896269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1819424.b3dm"}}}