{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949299,-0.314374,0.000000,0.000000,0.175623,-0.530321,0.829407,0.000000,-0.260195,0.785699,0.561226,0.000000,-1661313.221543,5016589.388584,3559370.365891,1],    "boundingVolume": {    "region": [1.890524,0.595814,1.890662,0.595920,0.000000,8.729292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1362090.b3dm"}}}