{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950486,-0.310768,0.000000,0.000000,0.173924,-0.531946,0.828724,0.000000,-0.256998,0.786027,0.562240,0.000000,-1640902.816748,5018702.302089,3565810.428451,1],    "boundingVolume": {    "region": [1.886749,0.597042,1.886847,0.597141,0.000000,8.563517]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1326180.b3dm"}}}