{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896366,-0.443314,0.000000,0.000000,0.283632,-0.573496,0.768541,0.000000,-0.339766,0.686995,0.642337,0.000000,-2170071.448281,4387814.983323,4075117.320095,1],    "boundingVolume": {    "region": [2.030022,0.697484,2.030155,0.697603,0.000000,55.290609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/0_950721.b3dm"}}}