{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898775,-0.438410,0.000000,0.000000,0.283226,-0.580635,0.763313,0.000000,-0.333704,0.684118,0.648555,0.000000,-2131411.651015,4369556.843087,4114679.250562,1],    "boundingVolume": {    "region": [2.024543,0.705625,2.024708,0.705744,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1833097.b3dm"}}}