{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893963,-0.448141,0.000000,0.000000,0.288779,-0.576062,0.764695,0.000000,-0.341733,0.681698,0.646921,0.000000,-2182681.712880,4354065.500494,4104280.464305,1],    "boundingVolume": {    "region": [2.035399,0.703458,2.035564,0.703621,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991723.b3dm"}}}