{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893939,-0.448189,0.000000,0.000000,0.288835,-0.576099,0.764647,0.000000,-0.341748,0.681636,0.646978,0.000000,-2182772.874741,4353671.017419,4104647.961756,1],    "boundingVolume": {    "region": [2.035452,0.703534,2.035617,0.703696,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1996496.b3dm"}}}