{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943085,-0.332553,0.000000,0.000000,0.186150,-0.527903,0.828654,0.000000,-0.274989,0.779840,0.562344,0.000000,-1755776.165260,4979198.784450,3566473.957646,1],    "boundingVolume": {    "region": [1.909743,0.597178,1.909868,0.597258,0.000000,8.725843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1286311.b3dm"}}}