{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949683,-0.313212,0.000000,0.000000,0.174759,-0.529882,0.829870,0.000000,-0.259380,0.786460,0.560538,0.000000,-1656101.683369,5021432.160579,3554997.056893,1],    "boundingVolume": {    "region": [1.889288,0.594903,1.889451,0.595168,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357515.b3dm"}}}