{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949451,-0.313916,0.000000,0.000000,0.175214,-0.529942,0.829736,0.000000,-0.259920,0.786139,0.560738,0.000000,-1659554.938069,5019386.548833,3556266.727028,1],    "boundingVolume": {    "region": [1.890030,0.595144,1.890192,0.595410,0.000000,8.388597]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/13_1368664.b3dm"}}}