{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943753,-0.330652,0.000000,0.000000,0.184025,-0.525246,0.830814,0.000000,-0.274137,0.782446,0.559131,0.000000,-1750315.621770,4995775.288056,3546055.585516,1],    "boundingVolume": {    "region": [1.907736,0.593248,1.907846,0.593428,0.000000,8.760994]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1319921.b3dm"}}}