{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950514,-0.310682,0.000000,0.000000,0.173709,-0.531453,0.829085,0.000000,-0.257039,0.786397,0.561704,0.000000,-1641162.084338,5021050.450116,3562406.738187,1],    "boundingVolume": {    "region": [1.886657,0.596395,1.886755,0.596494,0.000000,8.733737]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1389116.b3dm"}}}