{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950890,-0.309530,0.000000,0.000000,0.173272,-0.532298,0.828635,0.000000,-0.255946,0.786276,0.562371,0.000000,-1634187.784058,5020294.547415,3566647.107275,1],    "boundingVolume": {    "region": [1.885413,0.597166,1.885578,0.597335,0.000000,8.790559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_1383666.b3dm"}}}