{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896927,-0.442178,0.000000,0.000000,0.282246,-0.572517,0.769780,0.000000,-0.339446,0.688543,0.640848,0.000000,-2168013.313520,4397668.005508,4065644.560987,1],    "boundingVolume": {    "region": [2.028730,0.695546,2.028913,0.695658,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_448636.b3dm"}}}