{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950886,-0.309543,0.000000,0.000000,0.173187,-0.532013,0.828835,0.000000,-0.256019,0.786465,0.562075,0.000000,-1634650.701144,5021491.959022,3564761.543092,1],    "boundingVolume": {    "region": [1.885426,0.596808,1.885591,0.596977,0.000000,7.774026]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1323746.b3dm"}}}