{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896751,-0.442535,0.000000,0.000000,0.282673,-0.572806,0.769408,0.000000,-0.339555,0.688072,0.641295,0.000000,-2168713.776354,4394670.862261,4068491.588439,1],    "boundingVolume": {    "region": [2.029129,0.696129,2.029312,0.696241,0.000000,45.244429]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_942329.b3dm"}}}