{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950733,-0.310010,0.000000,0.000000,0.173087,-0.530822,0.829620,0.000000,-0.256650,0.787090,0.560910,0.000000,-1638673.658921,5025463.013535,3557360.629431,1],    "boundingVolume": {    "region": [1.885942,0.595428,1.886057,0.595542,0.000000,8.640146]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/10_1344590.b3dm"}}}