{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950609,-0.310391,0.000000,0.000000,0.173234,-0.530549,0.829764,0.000000,-0.257010,0.787124,0.560697,0.000000,-1640975.576891,5025678.274477,3556004.298277,1],    "boundingVolume": {    "region": [1.886343,0.595170,1.886459,0.595284,0.000000,8.806847]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1450251.b3dm"}}}