{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950429,-0.310943,0.000000,0.000000,0.173816,-0.531285,0.829171,0.000000,-0.257282,0.786408,0.561577,0.000000,-1642713.414780,5021118.995988,3561600.448500,1],    "boundingVolume": {    "region": [1.886932,0.596241,1.887030,0.596340,0.000000,8.819004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/3_1427714.b3dm"}}}