{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897987,-0.440023,0.000000,0.000000,0.284635,-0.580876,0.762605,0.000000,-0.334618,0.682880,0.649389,0.000000,-2137257.840004,4361660.254398,4119985.706478,1],    "boundingVolume": {    "region": [2.026354,0.706670,2.026486,0.706892,0.000000,7.445591]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/15_1823505.b3dm"}}}