{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893944,-0.448180,0.000000,0.000000,0.288828,-0.576099,0.764649,0.000000,-0.341742,0.681642,0.646975,0.000000,-2182736.291426,4353707.677603,4104628.661457,1],    "boundingVolume": {    "region": [2.035442,0.703530,2.035607,0.703692,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1996431.b3dm"}}}