{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948826,-0.315800,0.000000,0.000000,0.176343,-0.529824,0.829572,0.000000,-0.261428,0.785465,0.560981,0.000000,-1669184.173161,5015088.434925,3557813.231625,1],    "boundingVolume": {    "region": [1.892048,0.595459,1.892144,0.595682,0.000000,8.815559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/15_1181759.b3dm"}}}