{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949034,-0.315175,0.000000,0.000000,0.175952,-0.529815,0.829660,0.000000,-0.260939,0.785721,0.560850,0.000000,-1666058.461200,5016723.400520,3556978.822225,1],    "boundingVolume": {    "region": [1.891369,0.595359,1.891506,0.595465,0.000000,8.811778]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_1072471.b3dm"}}}