{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950539,-0.310605,0.000000,0.000000,0.173448,-0.530799,0.829559,0.000000,-0.257124,0.786871,0.561001,0.000000,-1641701.063698,5024063.494397,3557937.669394,1],    "boundingVolume": {    "region": [1.886568,0.595537,1.886684,0.595652,0.000000,8.710140]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1423761.b3dm"}}}