{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899232,-0.437471,0.000000,0.000000,0.282461,-0.580605,0.763619,0.000000,-0.333124,0.684743,0.648194,0.000000,-2127702.714267,4373542.280350,4112379.428533,1],    "boundingVolume": {    "region": [2.023498,0.705150,2.023664,0.705269,0.000000,9.470881]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1843081.b3dm"}}}