{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950024,-0.312177,0.000000,0.000000,0.174060,-0.529703,0.830131,0.000000,-0.258605,0.786992,0.560149,0.000000,-1651154.193473,5024821.284810,3552525.451178,1],    "boundingVolume": {    "region": [1.888199,0.594501,1.888362,0.594632,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460337.b3dm"}}}