{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950424,-0.310956,0.000000,0.000000,0.173506,-0.530314,0.829857,0.000000,-0.257508,0.787061,0.560557,0.000000,-1644149.252403,5025271.690734,3555118.794095,1],    "boundingVolume": {    "region": [1.886904,0.594986,1.887087,0.595132,0.000000,8.642821]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/14_1346218.b3dm"}}}