{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950457,-0.310857,0.000000,0.000000,0.173409,-0.530204,0.829947,0.000000,-0.257454,0.787174,0.560423,0.000000,-1643806.827268,5025991.391914,3554265.395619,1],    "boundingVolume": {    "region": [1.886800,0.594824,1.886983,0.594970,0.000000,8.810721]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1449134.b3dm"}}}