{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949727,-0.313081,0.000000,0.000000,0.115359,-0.349941,0.929642,0.000000,-0.290786,0.882096,0.370608,0.000000,-1855525.843543,5628716.939573,2349045.002152,1],    "boundingVolume": {    "region": [1.889162,0.379573,1.889300,0.379754,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73175.b3dm"}}}