{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949401,-0.314065,0.000000,0.000000,0.175294,-0.529903,0.829744,0.000000,-0.260046,0.786105,0.560726,0.000000,-1660360.290412,5019172.702554,3556193.128710,1],    "boundingVolume": {    "region": [1.890187,0.595130,1.890349,0.595396,0.000000,8.342187]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1368758.b3dm"}}}