{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950070,-0.312036,0.000000,0.000000,0.173995,-0.529772,0.830101,0.000000,-0.258478,0.787001,0.560195,0.000000,-1650344.643099,5024882.632859,3552812.901938,1],    "boundingVolume": {    "region": [1.888049,0.594555,1.888213,0.594686,0.000000,11.279145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1458732.b3dm"}}}