{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898761,-0.438438,0.000000,0.000000,0.283235,-0.580609,0.763329,0.000000,-0.333732,0.684123,0.648536,0.000000,-2131592.916716,4369584.261770,4114557.055119,1],    "boundingVolume": {    "region": [2.024574,0.705600,2.024739,0.705719,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832734.b3dm"}}}