{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950222,-0.311573,0.000000,0.000000,0.174365,-0.531771,0.828744,0.000000,-0.257669,0.785828,0.562211,0.000000,-1645192.115317,5017430.405854,3565625.161611,1],    "boundingVolume": {    "region": [1.887569,0.596964,1.887721,0.597149,0.000000,8.770137]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1326380.b3dm"}}}