{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897888,-0.440224,0.000000,0.000000,0.282592,-0.576379,0.766765,0.000000,-0.336612,0.686559,0.644460,0.000000,-2149949.132823,4385067.092079,4088627.349104,1],    "boundingVolume": {    "region": [2.026581,0.700283,2.026708,0.700352,0.000000,9.943482]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_851922.b3dm"}}}