{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950215,-0.311595,0.000000,0.000000,0.174305,-0.531548,0.828899,0.000000,-0.257736,0.785971,0.561980,0.000000,-1645614.244215,5018341.218117,3564158.166467,1],    "boundingVolume": {    "region": [1.887591,0.596685,1.887743,0.596870,0.000000,8.334530]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1327579.b3dm"}}}