{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893948,-0.448171,0.000000,0.000000,0.288805,-0.576068,0.764681,0.000000,-0.341749,0.681674,0.646938,0.000000,-2182784.823199,4353911.778517,4104387.976869,1],    "boundingVolume": {    "region": [2.035432,0.703480,2.035597,0.703643,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870391.b3dm"}}}