{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899098,-0.437748,0.000000,0.000000,0.282972,-0.581200,0.762977,0.000000,-0.333052,0.684060,0.648951,0.000000,-2127251.990310,4369194.013300,4117199.387442,1],    "boundingVolume": {    "region": [2.023807,0.706164,2.023971,0.706246,0.000000,37.864897]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6.b3dm"}}}