{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950579,-0.310482,0.000000,0.000000,0.173681,-0.531746,0.828903,0.000000,-0.256817,0.786276,0.561974,0.000000,-1639745.822534,5020287.576056,3564122.091354,1],    "boundingVolume": {    "region": [1.886447,0.596721,1.886545,0.596820,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395261.b3dm"}}}