{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950212,-0.311603,0.000000,0.000000,0.174402,-0.531828,0.828700,0.000000,-0.257680,0.785778,0.562276,0.000000,-1645259.987596,5017111.081654,3566040.350166,1],    "boundingVolume": {    "region": [1.887600,0.597043,1.887752,0.597228,0.000000,8.770137]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1325936.b3dm"}}}