{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898404,-0.439170,0.000000,0.000000,0.283963,-0.580899,0.762838,0.000000,-0.334073,0.683407,0.649115,0.000000,-2133771.892251,4365022.252335,4118243.370254,1],    "boundingVolume": {    "region": [2.025421,0.706384,2.025522,0.706458,0.000000,7.861304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1818106.b3dm"}}}