{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898760,-0.438441,0.000000,0.000000,0.283247,-0.580629,0.763309,0.000000,-0.333725,0.684104,0.648560,0.000000,-2131547.324894,4369462.248755,4114709.219661,1],    "boundingVolume": {    "region": [2.024577,0.705631,2.024742,0.705750,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1833191.b3dm"}}}