{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948839,-0.315761,0.000000,0.000000,0.176390,-0.530039,0.829425,0.000000,-0.261349,0.785335,0.561201,0.000000,-1668677.931100,5014261.824515,3559206.135061,1],    "boundingVolume": {    "region": [1.891986,0.595782,1.892123,0.595889,0.000000,8.713683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1147332.b3dm"}}}