{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898417,-0.439143,0.000000,0.000000,0.283626,-0.580253,0.763454,0.000000,-0.334324,0.683974,0.648388,0.000000,-2135371.309260,4368629.540122,4113617.888938,1],    "boundingVolume": {    "region": [2.025375,0.705354,2.025507,0.705577,0.000000,7.812633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1831861.b3dm"}}}