{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950377,-0.311101,0.000000,0.000000,0.173635,-0.530434,0.829753,0.000000,-0.257595,0.786922,0.560712,0.000000,-1644710.780015,5024389.402357,3556099.346141,1],    "boundingVolume": {    "region": [1.887098,0.595187,1.887198,0.595304,0.000000,8.811398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1454272.b3dm"}}}