{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948743,-0.316049,0.000000,0.000000,0.116862,-0.350808,0.929127,0.000000,-0.293378,0.880689,0.371909,0.000000,-1872074.742193,5619756.084215,2357299.062927,1],    "boundingVolume": {    "region": [1.892275,0.380959,1.892442,0.381170,0.000000,16.299968]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_68530.b3dm"}}}