{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950850,-0.309651,0.000000,0.000000,0.173260,-0.532033,0.828807,0.000000,-0.256100,0.786409,0.562116,0.000000,-1635169.549328,5021134.929589,3565024.710529,1],    "boundingVolume": {    "region": [1.885540,0.596858,1.885705,0.597027,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388122.b3dm"}}}