{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949404,-0.314057,0.000000,0.000000,0.175277,-0.529868,0.829770,0.000000,-0.260048,0.786133,0.560688,0.000000,-1660368.290852,5019346.605699,3555945.603598,1],    "boundingVolume": {    "region": [1.890178,0.595083,1.890341,0.595349,0.000000,8.770793]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1369167.b3dm"}}}