{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897953,-0.440092,0.000000,0.000000,0.284689,-0.580871,0.762589,0.000000,-0.334664,0.682839,0.649408,0.000000,-2137550.325855,4361401.182479,4120107.406662,1],    "boundingVolume": {    "region": [2.026432,0.706695,2.026564,0.706918,0.000000,14.409310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823772.b3dm"}}}