{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898752,-0.438458,0.000000,0.000000,0.283260,-0.580628,0.763305,0.000000,-0.333736,0.684094,0.648564,0.000000,-2131619.855589,4369402.518771,4114734.900309,1],    "boundingVolume": {    "region": [2.024595,0.705637,2.024761,0.705756,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1833269.b3dm"}}}