{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949234,-0.314571,0.000000,0.000000,0.175821,-0.530550,0.829218,0.000000,-0.260299,0.785465,0.561507,0.000000,-1661974.891261,5015097.440462,3561151.466317,1],    "boundingVolume": {    "region": [1.890732,0.596152,1.890869,0.596259,0.000000,8.580261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/11_1446307.b3dm"}}}