{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950484,-0.310773,0.000000,0.000000,0.173949,-0.532014,0.828676,0.000000,-0.256986,0.785980,0.562312,0.000000,-1640827.825220,5018400.056362,3566267.212211,1],    "boundingVolume": {    "region": [1.886753,0.597129,1.886851,0.597228,0.000000,8.662907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1325588.b3dm"}}}