{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950773,-0.309887,0.000000,0.000000,0.172952,-0.530639,0.829765,0.000000,-0.256594,0.787261,0.560695,0.000000,-1638314.832168,5026553.857118,3555993.654973,1],    "boundingVolume": {    "region": [1.885813,0.595168,1.885929,0.595282,0.000000,8.766633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1341279.b3dm"}}}